9. A, B, C, and D are comparing their heights. Among them, the sum of the heights of two people is the same as the sum of the heights of the other two. The average height of A and B is 4 cm more than the average height of A and C. D is 10 cm taller than A, and the sum of the heights of B and C is 288 cm. A's height is $\qquad$ cm.
\begin{tabular}{c}
9 \\
\hline 139
\end{tabular}