Home / 218,084.30-327,126.03-68,336.06

Finding the Fourth Proportional to 218,084.30, 327,126.03 and 68,336.06

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Solution

The fourth proportional to 218,084.30, 327,126.03 and 68,336.06 is: 102,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,084.30 : 327,126.03 = 68,336.06 : x
  2. Step 2: Convert to fraction form
    218,084.30/327,126.03 = 68,336.06/x
  3. Step 3: Cross multiply
    218,084.30x = 327,126.03 × 68,336.06
  4. Step 4: Simplify right side
    218,084.30x = 22,354,504,013.64
  5. Step 5: Solve for x
    x = 22,354,504,013.64/218,084.30
  6. Step 6: Final answer
    x = 102,503.96

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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.