Home / 124,857.16-187,691.72-100,167.30

Finding the Fourth Proportional to 124,857.16, 187,691.72 and 100,167.30

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Solution

The fourth proportional to 124,857.16, 187,691.72 and 100,167.30 is: 150,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857.16 : 187,691.72 = 100,167.30 : x
  2. Step 2: Convert to fraction form
    124,857.16/187,691.72 = 100,167.30/x
  3. Step 3: Cross multiply
    124,857.16x = 187,691.72 × 100,167.30
  4. Step 4: Simplify right side
    124,857.16x = 18,800,572,323.92
  5. Step 5: Solve for x
    x = 18,800,572,323.92/124,857.16
  6. Step 6: Final answer
    x = 150,576.65

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1.5x scale

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.