Home / 187,868.66-281,798.04-54,785.66

Finding the Fourth Proportional to 187,868.66, 281,798.04 and 54,785.66

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Solution

The fourth proportional to 187,868.66, 281,798.04 and 54,785.66 is: 82,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,868.66 : 281,798.04 = 54,785.66 : x
  2. Step 2: Convert to fraction form
    187,868.66/281,798.04 = 54,785.66/x
  3. Step 3: Cross multiply
    187,868.66x = 281,798.04 × 54,785.66
  4. Step 4: Simplify right side
    187,868.66x = 15,438,491,608.11
  5. Step 5: Solve for x
    x = 15,438,491,608.11/187,868.66
  6. Step 6: Final answer
    x = 82,177.05

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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.