Home / 203,962.83-305,839.20-91,546.68

Finding the Fourth Proportional to 203,962.83, 305,839.20 and 91,546.68

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Solution

The fourth proportional to 203,962.83, 305,839.20 and 91,546.68 is: 137,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,962.83 : 305,839.20 = 91,546.68 : x
  2. Step 2: Convert to fraction form
    203,962.83/305,839.20 = 91,546.68/x
  3. Step 3: Cross multiply
    203,962.83x = 305,839.20 × 91,546.68
  4. Step 4: Simplify right side
    203,962.83x = 27,998,563,373.86
  5. Step 5: Solve for x
    x = 27,998,563,373.86/203,962.83
  6. Step 6: Final answer
    x = 137,272.87

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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.