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.
Q: [99.194, 17.45, 99.925, 76.991, 224.367, 178.736, -57.016]
A: 
[ 0.155  0.027  0.156  0.12   0.351  0.279 -0.089]