154188 divided by 90 
We want to figure out the number of times 154188 can be divided by 90.

Advancing to step 1:
The number 90 fits into 1 0 times, leaving a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Append the next digit (5) from the dividend to 1 and continue with: 15 / 90

Step 2:
The number 90 fits into 15 0 times, leaving a remainder of 15.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 15 after subtracting 0 from 15.
Include the next digit (4) from the dividend after 15, then repeat: 154 / 90

On to step 3:
90 goes into 154 1 times with a remainder of 64.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 90 from 154, we get 64.
Take the next digit (1) from the dividend and append it to 64, then repeat: 641 / 90

Let's proceed to step 4:
When dividing 641 by 90, we get 7 with a remainder of 11.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
Subtract 630 from 641 to get 11.
Include the next digit (8) from the dividend after 11, then repeat: 118 / 90

Going ahead to step 5:
The number 90 fits into 118 1 times, leaving a remainder of 28.
Use 1 as the next digit of our solution. 
Result so far: 171.0
Deduct 90 from 118 and we're left with 28.
Include the next digit (8) from the dividend after 28, then repeat: 288 / 90

Let's proceed to step 6:
90 goes into 288 3 times with a remainder of 18.
The next digit of our result is 3. 
Result so far: 1713.0
Subtracting 270 from 288 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 7:
90 goes into 180 2 times with a remainder of 0.
Record the quotient 2 as the next digit in the result. 
Result so far: 1713.2
Subtract 180 from 180 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
0 divided by 90 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 1713.2
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
When dividing 0 by 90, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 1713.2
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 1713.2 with a remainder of 0.0.