Home / 218,084.67-327,126.60-68,336.43

Finding the Fourth Proportional to 218,084.67, 327,126.60 and 68,336.43

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Solution

The fourth proportional to 218,084.67, 327,126.60 and 68,336.43 is: 102,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,084.67 : 327,126.60 = 68,336.43 : x
  2. Step 2: Convert to fraction form
    218,084.67/327,126.60 = 68,336.43/x
  3. Step 3: Cross multiply
    218,084.67x = 327,126.60 × 68,336.43
  4. Step 4: Simplify right side
    218,084.67x = 22,354,662,775.31
  5. Step 5: Solve for x
    x = 22,354,662,775.31/218,084.67
  6. Step 6: Final answer
    x = 102,504.51

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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.