Definition: In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Input: [131.716, 91.435, -30.308, 29.563, 30.406, 13.751, 228.41, 145.986, -70.885]

[ 0.231  0.16  -0.053  0.052  0.053  0.024  0.401  0.256 -0.124]