Home / 112,489.38-155,238.58-62,191.62

Finding the Fourth Proportional to 112,489.38, 155,238.58 and 62,191.62

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Solution

The fourth proportional to 112,489.38, 155,238.58 and 62,191.62 is: 85,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,489.38 : 155,238.58 = 62,191.62 : x
  2. Step 2: Convert to fraction form
    112,489.38/155,238.58 = 62,191.62/x
  3. Step 3: Cross multiply
    112,489.38x = 155,238.58 × 62,191.62
  4. Step 4: Simplify right side
    112,489.38x = 9,654,538,776.70
  5. Step 5: Solve for x
    x = 9,654,538,776.70/112,489.38
  6. Step 6: Final answer
    x = 85,826.22

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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.