Home / 199,436.26-275,227.22-108,793.75

Finding the Fourth Proportional to 199,436.26, 275,227.22 and 108,793.75

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Solution

The fourth proportional to 199,436.26, 275,227.22 and 108,793.75 is: 150,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,436.26 : 275,227.22 = 108,793.75 : x
  2. Step 2: Convert to fraction form
    199,436.26/275,227.22 = 108,793.75/x
  3. Step 3: Cross multiply
    199,436.26x = 275,227.22 × 108,793.75
  4. Step 4: Simplify right side
    199,436.26x = 29,943,001,365.88
  5. Step 5: Solve for x
    x = 29,943,001,365.88/199,436.26
  6. Step 6: Final answer
    x = 150,138.20

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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.