Home / 156,097.73-234,105.57-67,331.50

Finding the Fourth Proportional to 156,097.73, 234,105.57 and 67,331.50

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Solution

The fourth proportional to 156,097.73, 234,105.57 and 67,331.50 is: 100,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,097.73 : 234,105.57 = 67,331.50 : x
  2. Step 2: Convert to fraction form
    156,097.73/234,105.57 = 67,331.50/x
  3. Step 3: Cross multiply
    156,097.73x = 234,105.57 × 67,331.50
  4. Step 4: Simplify right side
    156,097.73x = 15,762,678,849.80
  5. Step 5: Solve for x
    x = 15,762,678,849.80/156,097.73
  6. Step 6: Final answer
    x = 100,979.55

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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.