Home / 178,198.38-267,322.14-136,158.78

Finding the Fourth Proportional to 178,198.38, 267,322.14 and 136,158.78

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Solution

The fourth proportional to 178,198.38, 267,322.14 and 136,158.78 is: 204,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,198.38 : 267,322.14 = 136,158.78 : x
  2. Step 2: Convert to fraction form
    178,198.38/267,322.14 = 136,158.78/x
  3. Step 3: Cross multiply
    178,198.38x = 267,322.14 × 136,158.78
  4. Step 4: Simplify right side
    178,198.38x = 36,398,256,449.39
  5. Step 5: Solve for x
    x = 36,398,256,449.39/178,198.38
  6. Step 6: Final answer
    x = 204,256.94

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1.5x scale

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.