Home / 218,321.11-327,481.65-60,549.56

Finding the Fourth Proportional to 218,321.11, 327,481.65 and 60,549.56

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Solution

The fourth proportional to 218,321.11, 327,481.65 and 60,549.56 is: 90,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,321.11 : 327,481.65 = 60,549.56 : x
  2. Step 2: Convert to fraction form
    218,321.11/327,481.65 = 60,549.56/x
  3. Step 3: Cross multiply
    218,321.11x = 327,481.65 × 60,549.56
  4. Step 4: Simplify right side
    218,321.11x = 19,828,869,815.57
  5. Step 5: Solve for x
    x = 19,828,869,815.57/218,321.11
  6. Step 6: Final answer
    x = 90,824.34

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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.