Home / 156,630.60-234,791.46-100,310.76

Finding the Fourth Proportional to 156,630.60, 234,791.46 and 100,310.76

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Solution

The fourth proportional to 156,630.60, 234,791.46 and 100,310.76 is: 150,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630.60 : 234,791.46 = 100,310.76 : x
  2. Step 2: Convert to fraction form
    156,630.60/234,791.46 = 100,310.76/x
  3. Step 3: Cross multiply
    156,630.60x = 234,791.46 × 100,310.76
  4. Step 4: Simplify right side
    156,630.60x = 23,552,109,794.11
  5. Step 5: Solve for x
    x = 23,552,109,794.11/156,630.60
  6. Step 6: Final answer
    x = 150,367.23

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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.