Home / 218,436.10-327,654.28-60,664.54

Finding the Fourth Proportional to 218,436.10, 327,654.28 and 60,664.54

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Solution

The fourth proportional to 218,436.10, 327,654.28 and 60,664.54 is: 90,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,436.10 : 327,654.28 = 60,664.54 : x
  2. Step 2: Convert to fraction form
    218,436.10/327,654.28 = 60,664.54/x
  3. Step 3: Cross multiply
    218,436.10x = 327,654.28 × 60,664.54
  4. Step 4: Simplify right side
    218,436.10x = 19,876,996,175.23
  5. Step 5: Solve for x
    x = 19,876,996,175.23/218,436.10
  6. Step 6: Final answer
    x = 90,996.85

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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.