Home / 156,355.59-215,781.51-95,125.67

Finding the Fourth Proportional to 156,355.59, 215,781.51 and 95,125.67

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Solution

The fourth proportional to 156,355.59, 215,781.51 and 95,125.67 is: 131,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,355.59 : 215,781.51 = 95,125.67 : x
  2. Step 2: Convert to fraction form
    156,355.59/215,781.51 = 95,125.67/x
  3. Step 3: Cross multiply
    156,355.59x = 215,781.51 × 95,125.67
  4. Step 4: Simplify right side
    156,355.59x = 20,526,359,633.45
  5. Step 5: Solve for x
    x = 20,526,359,633.45/156,355.59
  6. Step 6: Final answer
    x = 131,279.99

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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.