Finding the Fourth Proportional to 416,700.84, 625,095.18 and 136,217.64
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Solution
The fourth proportional to 416,700.84, 625,095.18 and 136,217.64 is: 204,340.82
Step by Step Solution
- Step 1: Write the proportion equation
416,700.84 : 625,095.18 = 136,217.64 : x - Step 2: Convert to fraction form
416,700.84/625,095.18 = 136,217.64/x - Step 3: Cross multiply
416,700.84x = 625,095.18 × 136,217.64 - Step 4: Simplify right side
416,700.84x = 85,148,990,194.98 - Step 5: Solve for x
x = 85,148,990,194.98/416,700.84 - Step 6: Final answer
x = 204,340.82
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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.