Home / 198,999.04-274,609.68-108,352.72

Finding the Fourth Proportional to 198,999.04, 274,609.68 and 108,352.72

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Solution

The fourth proportional to 198,999.04, 274,609.68 and 108,352.72 is: 149,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,999.04 : 274,609.68 = 108,352.72 : x
  2. Step 2: Convert to fraction form
    198,999.04/274,609.68 = 108,352.72/x
  3. Step 3: Cross multiply
    198,999.04x = 274,609.68 × 108,352.72
  4. Step 4: Simplify right side
    198,999.04x = 29,754,705,766.33
  5. Step 5: Solve for x
    x = 29,754,705,766.33/198,999.04
  6. Step 6: Final answer
    x = 149,521.86

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1.5x scale

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.