Home / 215,333.92-297,136.08-124,691.68

Finding the Fourth Proportional to 215,333.92, 297,136.08 and 124,691.68

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Solution

The fourth proportional to 215,333.92, 297,136.08 and 124,691.68 is: 172,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,333.92 : 297,136.08 = 124,691.68 : x
  2. Step 2: Convert to fraction form
    215,333.92/297,136.08 = 124,691.68/x
  3. Step 3: Cross multiply
    215,333.92x = 297,136.08 × 124,691.68
  4. Step 4: Simplify right side
    215,333.92x = 37,050,397,003.81
  5. Step 5: Solve for x
    x = 37,050,397,003.81/215,333.92
  6. Step 6: Final answer
    x = 172,060.20

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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.