Home / 156,923.60-234,996.60-100,677.20

Finding the Fourth Proportional to 156,923.60, 234,996.60 and 100,677.20

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Solution

The fourth proportional to 156,923.60, 234,996.60 and 100,677.20 is: 150,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.60 : 234,996.60 = 100,677.20 : x
  2. Step 2: Convert to fraction form
    156,923.60/234,996.60 = 100,677.20/x
  3. Step 3: Cross multiply
    156,923.60x = 234,996.60 × 100,677.20
  4. Step 4: Simplify right side
    156,923.60x = 23,658,799,697.52
  5. Step 5: Solve for x
    x = 23,658,799,697.52/156,923.60
  6. Step 6: Final answer
    x = 150,766.36

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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.