Home / 125,472.90-173,153.22-71,760.18

Finding the Fourth Proportional to 125,472.90, 173,153.22 and 71,760.18

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Solution

The fourth proportional to 125,472.90, 173,153.22 and 71,760.18 is: 99,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,472.90 : 173,153.22 = 71,760.18 : x
  2. Step 2: Convert to fraction form
    125,472.90/173,153.22 = 71,760.18/x
  3. Step 3: Cross multiply
    125,472.90x = 173,153.22 × 71,760.18
  4. Step 4: Simplify right side
    125,472.90x = 12,425,506,234.78
  5. Step 5: Solve for x
    x = 12,425,506,234.78/125,472.90
  6. Step 6: Final answer
    x = 99,029.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.