Home / 113,151.91-156,149.70-62,167.93

Finding the Fourth Proportional to 113,151.91, 156,149.70 and 62,167.93

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Solution

The fourth proportional to 113,151.91, 156,149.70 and 62,167.93 is: 85,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,151.91 : 156,149.70 = 62,167.93 : x
  2. Step 2: Convert to fraction form
    113,151.91/156,149.70 = 62,167.93/x
  3. Step 3: Cross multiply
    113,151.91x = 156,149.70 × 62,167.93
  4. Step 4: Simplify right side
    113,151.91x = 9,707,503,619.12
  5. Step 5: Solve for x
    x = 9,707,503,619.12/113,151.91
  6. Step 6: Final answer
    x = 85,791.78

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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.