Home / 198,584.91-274,016.66-117,982.62

Finding the Fourth Proportional to 198,584.91, 274,016.66 and 117,982.62

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Solution

The fourth proportional to 198,584.91, 274,016.66 and 117,982.62 is: 162,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,584.91 : 274,016.66 = 117,982.62 : x
  2. Step 2: Convert to fraction form
    198,584.91/274,016.66 = 117,982.62/x
  3. Step 3: Cross multiply
    198,584.91x = 274,016.66 × 117,982.62
  4. Step 4: Simplify right side
    198,584.91x = 32,329,202,880.54
  5. Step 5: Solve for x
    x = 32,329,202,880.54/198,584.91
  6. Step 6: Final answer
    x = 162,797.88

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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.