Home / 156,517.72-234,805.80-51,366.76

Finding the Fourth Proportional to 156,517.72, 234,805.80 and 51,366.76

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Solution

The fourth proportional to 156,517.72, 234,805.80 and 51,366.76 is: 77,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,517.72 : 234,805.80 = 51,366.76 : x
  2. Step 2: Convert to fraction form
    156,517.72/234,805.80 = 51,366.76/x
  3. Step 3: Cross multiply
    156,517.72x = 234,805.80 × 51,366.76
  4. Step 4: Simplify right side
    156,517.72x = 12,061,213,175.21
  5. Step 5: Solve for x
    x = 12,061,213,175.21/156,517.72
  6. Step 6: Final answer
    x = 77,059.73

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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.