Home / 381,186.03-571,659.72-137,996.41

Finding the Fourth Proportional to 381,186.03, 571,659.72 and 137,996.41

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Solution

The fourth proportional to 381,186.03, 571,659.72 and 137,996.41 is: 206,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,186.03 : 571,659.72 = 137,996.41 : x
  2. Step 2: Convert to fraction form
    381,186.03/571,659.72 = 137,996.41/x
  3. Step 3: Cross multiply
    381,186.03x = 571,659.72 × 137,996.41
  4. Step 4: Simplify right side
    381,186.03x = 78,886,989,101.61
  5. Step 5: Solve for x
    x = 78,886,989,101.61/381,186.03
  6. Step 6: Final answer
    x = 206,951.42

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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.