Finding the Fourth Proportional to 157,088.13, 233,855.35 and 156,153.95
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Solution
The fourth proportional to 157,088.13, 233,855.35 and 156,153.95 is: 232,464.65
Step by Step Solution
- Step 1: Write the proportion equation
157,088.13 : 233,855.35 = 156,153.95 : x - Step 2: Convert to fraction form
157,088.13/233,855.35 = 156,153.95/x - Step 3: Cross multiply
157,088.13x = 233,855.35 × 156,153.95 - Step 4: Simplify right side
157,088.13x = 36,517,436,631.13 - Step 5: Solve for x
x = 36,517,436,631.13/157,088.13 - Step 6: Final answer
x = 232,464.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.