Home / 113,338.17-156,403.53-62,350.65

Finding the Fourth Proportional to 113,338.17, 156,403.53 and 62,350.65

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Solution

The fourth proportional to 113,338.17, 156,403.53 and 62,350.65 is: 86,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,338.17 : 156,403.53 = 62,350.65 : x
  2. Step 2: Convert to fraction form
    113,338.17/156,403.53 = 62,350.65/x
  3. Step 3: Cross multiply
    113,338.17x = 156,403.53 × 62,350.65
  4. Step 4: Simplify right side
    113,338.17x = 9,751,861,757.79
  5. Step 5: Solve for x
    x = 9,751,861,757.79/113,338.17
  6. Step 6: Final answer
    x = 86,042.17

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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.