Home / 193,581.90-267,099.39-108,693.36

Finding the Fourth Proportional to 193,581.90, 267,099.39 and 108,693.36

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Solution

The fourth proportional to 193,581.90, 267,099.39 and 108,693.36 is: 149,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,581.90 : 267,099.39 = 108,693.36 : x
  2. Step 2: Convert to fraction form
    193,581.90/267,099.39 = 108,693.36/x
  3. Step 3: Cross multiply
    193,581.90x = 267,099.39 × 108,693.36
  4. Step 4: Simplify right side
    193,581.90x = 29,031,930,153.05
  5. Step 5: Solve for x
    x = 29,031,930,153.05/193,581.90
  6. Step 6: Final answer
    x = 149,972.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.