Home / 156,229.92-215,596.08-84,609.72

Finding the Fourth Proportional to 156,229.92, 215,596.08 and 84,609.72

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Solution

The fourth proportional to 156,229.92, 215,596.08 and 84,609.72 is: 116,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,229.92 : 215,596.08 = 84,609.72 : x
  2. Step 2: Convert to fraction form
    156,229.92/215,596.08 = 84,609.72/x
  3. Step 3: Cross multiply
    156,229.92x = 215,596.08 × 84,609.72
  4. Step 4: Simplify right side
    156,229.92x = 18,241,523,961.90
  5. Step 5: Solve for x
    x = 18,241,523,961.90/156,229.92
  6. Step 6: Final answer
    x = 116,760.76

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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.