Home / 198,083.52-273,365.28-126,406.08

Finding the Fourth Proportional to 198,083.52, 273,365.28 and 126,406.08

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Solution

The fourth proportional to 198,083.52, 273,365.28 and 126,406.08 is: 174,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,083.52 : 273,365.28 = 126,406.08 : x
  2. Step 2: Convert to fraction form
    198,083.52/273,365.28 = 126,406.08/x
  3. Step 3: Cross multiply
    198,083.52x = 273,365.28 × 126,406.08
  4. Step 4: Simplify right side
    198,083.52x = 34,555,033,452.90
  5. Step 5: Solve for x
    x = 34,555,033,452.90/198,083.52
  6. Step 6: Final answer
    x = 174,446.79

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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.