Home / 125,197.90-172,832.94-71,472.53

Finding the Fourth Proportional to 125,197.90, 172,832.94 and 71,472.53

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Solution

The fourth proportional to 125,197.90, 172,832.94 and 71,472.53 is: 98,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,197.90 : 172,832.94 = 71,472.53 : x
  2. Step 2: Convert to fraction form
    125,197.90/172,832.94 = 71,472.53/x
  3. Step 3: Cross multiply
    125,197.90x = 172,832.94 × 71,472.53
  4. Step 4: Simplify right side
    125,197.90x = 12,352,806,949.04
  5. Step 5: Solve for x
    x = 12,352,806,949.04/125,197.90
  6. Step 6: Final answer
    x = 98,666.24

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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.