Home / 238,542.59-329,183.26-129,644.37

Finding the Fourth Proportional to 238,542.59, 329,183.26 and 129,644.37

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Solution

The fourth proportional to 238,542.59, 329,183.26 and 129,644.37 is: 178,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,542.59 : 329,183.26 = 129,644.37 : x
  2. Step 2: Convert to fraction form
    238,542.59/329,183.26 = 129,644.37/x
  3. Step 3: Cross multiply
    238,542.59x = 329,183.26 × 129,644.37
  4. Step 4: Simplify right side
    238,542.59x = 42,676,756,033.14
  5. Step 5: Solve for x
    x = 42,676,756,033.14/238,542.59
  6. Step 6: Final answer
    x = 178,906.23

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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.