Home / 217,132.28-327,177.56-178,553.60

Finding the Fourth Proportional to 217,132.28, 327,177.56 and 178,553.60

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Solution

The fourth proportional to 217,132.28, 327,177.56 and 178,553.60 is: 269,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,132.28 : 327,177.56 = 178,553.60 : x
  2. Step 2: Convert to fraction form
    217,132.28/327,177.56 = 178,553.60/x
  3. Step 3: Cross multiply
    217,132.28x = 327,177.56 × 178,553.60
  4. Step 4: Simplify right side
    217,132.28x = 58,418,731,177.22
  5. Step 5: Solve for x
    x = 58,418,731,177.22/217,132.28
  6. Step 6: Final answer
    x = 269,046.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.