Home / 217,131.28-327,176.05-178,552.60

Finding the Fourth Proportional to 217,131.28, 327,176.05 and 178,552.60

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Solution

The fourth proportional to 217,131.28, 327,176.05 and 178,552.60 is: 269,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,131.28 : 327,176.05 = 178,552.60 : x
  2. Step 2: Convert to fraction form
    217,131.28/327,176.05 = 178,552.60/x
  3. Step 3: Cross multiply
    217,131.28x = 327,176.05 × 178,552.60
  4. Step 4: Simplify right side
    217,131.28x = 58,418,134,385.23
  5. Step 5: Solve for x
    x = 58,418,134,385.23/217,131.28
  6. Step 6: Final answer
    x = 269,045.23

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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.