Home / 259,419.26-386,550.08-231,121.92

Finding the Fourth Proportional to 259,419.26, 386,550.08 and 231,121.92

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Solution

The fourth proportional to 259,419.26, 386,550.08 and 231,121.92 is: 344,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,419.26 : 386,550.08 = 231,121.92 : x
  2. Step 2: Convert to fraction form
    259,419.26/386,550.08 = 231,121.92/x
  3. Step 3: Cross multiply
    259,419.26x = 386,550.08 × 231,121.92
  4. Step 4: Simplify right side
    259,419.26x = 89,340,196,665.75
  5. Step 5: Solve for x
    x = 89,340,196,665.75/259,419.26
  6. Step 6: Final answer
    x = 344,385.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.