Home / 250,112.43-375,207.89-81,593.87

Finding the Fourth Proportional to 250,112.43, 375,207.89 and 81,593.87

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Solution

The fourth proportional to 250,112.43, 375,207.89 and 81,593.87 is: 122,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,112.43 : 375,207.89 = 81,593.87 : x
  2. Step 2: Convert to fraction form
    250,112.43/375,207.89 = 81,593.87/x
  3. Step 3: Cross multiply
    250,112.43x = 375,207.89 × 81,593.87
  4. Step 4: Simplify right side
    250,112.43x = 30,614,661,515.63
  5. Step 5: Solve for x
    x = 30,614,661,515.63/250,112.43
  6. Step 6: Final answer
    x = 122,403.60

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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.