Home / 156,764.26-216,337.26-85,144.36

Finding the Fourth Proportional to 156,764.26, 216,337.26 and 85,144.36

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Solution

The fourth proportional to 156,764.26, 216,337.26 and 85,144.36 is: 117,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,764.26 : 216,337.26 = 85,144.36 : x
  2. Step 2: Convert to fraction form
    156,764.26/216,337.26 = 85,144.36/x
  3. Step 3: Cross multiply
    156,764.26x = 216,337.26 × 85,144.36
  4. Step 4: Simplify right side
    156,764.26x = 18,419,897,546.85
  5. Step 5: Solve for x
    x = 18,419,897,546.85/156,764.26
  6. Step 6: Final answer
    x = 117,500.62

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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.