Home / 250,757.80-346,046.18-137,581.36

Finding the Fourth Proportional to 250,757.80, 346,046.18 and 137,581.36

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Solution

The fourth proportional to 250,757.80, 346,046.18 and 137,581.36 is: 189,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,757.80 : 346,046.18 = 137,581.36 : x
  2. Step 2: Convert to fraction form
    250,757.80/346,046.18 = 137,581.36/x
  3. Step 3: Cross multiply
    250,757.80x = 346,046.18 × 137,581.36
  4. Step 4: Simplify right side
    250,757.80x = 47,609,504,067.20
  5. Step 5: Solve for x
    x = 47,609,504,067.20/250,757.80
  6. Step 6: Final answer
    x = 189,862.51

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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.