Home / 257,610.33-386,292.78-95,451.57

Finding the Fourth Proportional to 257,610.33, 386,292.78 and 95,451.57

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Solution

The fourth proportional to 257,610.33, 386,292.78 and 95,451.57 is: 143,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,610.33 : 386,292.78 = 95,451.57 : x
  2. Step 2: Convert to fraction form
    257,610.33/386,292.78 = 95,451.57/x
  3. Step 3: Cross multiply
    257,610.33x = 386,292.78 × 95,451.57
  4. Step 4: Simplify right side
    257,610.33x = 36,872,252,330.66
  5. Step 5: Solve for x
    x = 36,872,252,330.66/257,610.33
  6. Step 6: Final answer
    x = 143,131.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.