Home / 218,278.54-327,471.24-76,104.10

Finding the Fourth Proportional to 218,278.54, 327,471.24 and 76,104.10

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Solution

The fourth proportional to 218,278.54, 327,471.24 and 76,104.10 is: 114,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,278.54 : 327,471.24 = 76,104.10 : x
  2. Step 2: Convert to fraction form
    218,278.54/327,471.24 = 76,104.10/x
  3. Step 3: Cross multiply
    218,278.54x = 327,471.24 × 76,104.10
  4. Step 4: Simplify right side
    218,278.54x = 24,921,903,996.08
  5. Step 5: Solve for x
    x = 24,921,903,996.08/218,278.54
  6. Step 6: Final answer
    x = 114,174.78

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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.