Home / 133,170.24-199,583.04-54,192

Finding the Fourth Proportional to 133,170.24, 199,583.04 and 54,192

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Solution

The fourth proportional to 133,170.24, 199,583.04 and 54,192 is: 81,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,170.24 : 199,583.04 = 54,192 : x
  2. Step 2: Convert to fraction form
    133,170.24/199,583.04 = 54,192/x
  3. Step 3: Cross multiply
    133,170.24x = 199,583.04 × 54,192
  4. Step 4: Simplify right side
    133,170.24x = 10,815,804,103.68
  5. Step 5: Solve for x
    x = 10,815,804,103.68/133,170.24
  6. Step 6: Final answer
    x = 81,217.88

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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.