Home / 156,165.28-215,360.58-102,496.84

Finding the Fourth Proportional to 156,165.28, 215,360.58 and 102,496.84

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Solution

The fourth proportional to 156,165.28, 215,360.58 and 102,496.84 is: 141,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,165.28 : 215,360.58 = 102,496.84 : x
  2. Step 2: Convert to fraction form
    156,165.28/215,360.58 = 102,496.84/x
  3. Step 3: Cross multiply
    156,165.28x = 215,360.58 × 102,496.84
  4. Step 4: Simplify right side
    156,165.28x = 22,073,778,910.57
  5. Step 5: Solve for x
    x = 22,073,778,910.57/156,165.28
  6. Step 6: Final answer
    x = 141,348.83

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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.