Home / 156,817.30-234,996.30-77,773.66

Finding the Fourth Proportional to 156,817.30, 234,996.30 and 77,773.66

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Solution

The fourth proportional to 156,817.30, 234,996.30 and 77,773.66 is: 116,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,817.30 : 234,996.30 = 77,773.66 : x
  2. Step 2: Convert to fraction form
    156,817.30/234,996.30 = 77,773.66/x
  3. Step 3: Cross multiply
    156,817.30x = 234,996.30 × 77,773.66
  4. Step 4: Simplify right side
    156,817.30x = 18,276,522,337.46
  5. Step 5: Solve for x
    x = 18,276,522,337.46/156,817.30
  6. Step 6: Final answer
    x = 116,546.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.