Home / 156,631.60-234,792.96-100,311.76

Finding the Fourth Proportional to 156,631.60, 234,792.96 and 100,311.76

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Solution

The fourth proportional to 156,631.60, 234,792.96 and 100,311.76 is: 150,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.60 : 234,792.96 = 100,311.76 : x
  2. Step 2: Convert to fraction form
    156,631.60/234,792.96 = 100,311.76/x
  3. Step 3: Cross multiply
    156,631.60x = 234,792.96 × 100,311.76
  4. Step 4: Simplify right side
    156,631.60x = 23,552,495,053.21
  5. Step 5: Solve for x
    x = 23,552,495,053.21/156,631.60
  6. Step 6: Final answer
    x = 150,368.73

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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.