Home / 218,629.97-327,204.25-134,443.46

Finding the Fourth Proportional to 218,629.97, 327,204.25 and 134,443.46

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Solution

The fourth proportional to 218,629.97, 327,204.25 and 134,443.46 is: 201,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,629.97 : 327,204.25 = 134,443.46 : x
  2. Step 2: Convert to fraction form
    218,629.97/327,204.25 = 134,443.46/x
  3. Step 3: Cross multiply
    218,629.97x = 327,204.25 × 134,443.46
  4. Step 4: Simplify right side
    218,629.97x = 43,990,469,524.58
  5. Step 5: Solve for x
    x = 43,990,469,524.58/218,629.97
  6. Step 6: Final answer
    x = 201,209.69

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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.