Finding the Fourth Proportional to 157,367.94, 236,053.52 and 125,977.53
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Solution
The fourth proportional to 157,367.94, 236,053.52 and 125,977.53 is: 188,967.58
Step by Step Solution
- Step 1: Write the proportion equation
157,367.94 : 236,053.52 = 125,977.53 : x - Step 2: Convert to fraction form
157,367.94/236,053.52 = 125,977.53/x - Step 3: Cross multiply
157,367.94x = 236,053.52 × 125,977.53 - Step 4: Simplify right side
157,367.94x = 29,737,439,397.41 - Step 5: Solve for x
x = 29,737,439,397.41/157,367.94 - Step 6: Final answer
x = 188,967.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.