Home / 156,037.34-215,337.06-88,070.85

Finding the Fourth Proportional to 156,037.34, 215,337.06 and 88,070.85

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Solution

The fourth proportional to 156,037.34, 215,337.06 and 88,070.85 is: 121,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,037.34 : 215,337.06 = 88,070.85 : x
  2. Step 2: Convert to fraction form
    156,037.34/215,337.06 = 88,070.85/x
  3. Step 3: Cross multiply
    156,037.34x = 215,337.06 × 88,070.85
  4. Step 4: Simplify right side
    156,037.34x = 18,964,917,910.70
  5. Step 5: Solve for x
    x = 18,964,917,910.70/156,037.34
  6. Step 6: Final answer
    x = 121,540.90

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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.