Home / 146,672.43-202,391.19-82,132.68

Finding the Fourth Proportional to 146,672.43, 202,391.19 and 82,132.68

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Solution

The fourth proportional to 146,672.43, 202,391.19 and 82,132.68 is: 113,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,672.43 : 202,391.19 = 82,132.68 : x
  2. Step 2: Convert to fraction form
    146,672.43/202,391.19 = 82,132.68/x
  3. Step 3: Cross multiply
    146,672.43x = 202,391.19 × 82,132.68
  4. Step 4: Simplify right side
    146,672.43x = 16,622,930,843.09
  5. Step 5: Solve for x
    x = 16,622,930,843.09/146,672.43
  6. Step 6: Final answer
    x = 113,333.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.