Home / 176,805.73-243,997.20-108,861.90

Finding the Fourth Proportional to 176,805.73, 243,997.20 and 108,861.90

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Solution

The fourth proportional to 176,805.73, 243,997.20 and 108,861.90 is: 150,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,805.73 : 243,997.20 = 108,861.90 : x
  2. Step 2: Convert to fraction form
    176,805.73/243,997.20 = 108,861.90/x
  3. Step 3: Cross multiply
    176,805.73x = 243,997.20 × 108,861.90
  4. Step 4: Simplify right side
    176,805.73x = 26,561,998,242.37
  5. Step 5: Solve for x
    x = 26,561,998,242.37/176,805.73
  6. Step 6: Final answer
    x = 150,232.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.