Home / 199,160.40-274,837.87-108,517.12

Finding the Fourth Proportional to 199,160.40, 274,837.87 and 108,517.12

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Solution

The fourth proportional to 199,160.40, 274,837.87 and 108,517.12 is: 149,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,160.40 : 274,837.87 = 108,517.12 : x
  2. Step 2: Convert to fraction form
    199,160.40/274,837.87 = 108,517.12/x
  3. Step 3: Cross multiply
    199,160.40x = 274,837.87 × 108,517.12
  4. Step 4: Simplify right side
    199,160.40x = 29,824,614,119.33
  5. Step 5: Solve for x
    x = 29,824,614,119.33/199,160.40
  6. Step 6: Final answer
    x = 149,751.73

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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.