Home / 156,238.59-215,608.18-84,616.97

Finding the Fourth Proportional to 156,238.59, 215,608.18 and 84,616.97

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Solution

The fourth proportional to 156,238.59, 215,608.18 and 84,616.97 is: 116,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,238.59 : 215,608.18 = 84,616.97 : x
  2. Step 2: Convert to fraction form
    156,238.59/215,608.18 = 84,616.97/x
  3. Step 3: Cross multiply
    156,238.59x = 215,608.18 × 84,616.97
  4. Step 4: Simplify right side
    156,238.59x = 18,244,110,475.73
  5. Step 5: Solve for x
    x = 18,244,110,475.73/156,238.59
  6. Step 6: Final answer
    x = 116,770.83

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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.