Home / 198,743.33-274,269.30-108,101.27

Finding the Fourth Proportional to 198,743.33, 274,269.30 and 108,101.27

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Solution

The fourth proportional to 198,743.33, 274,269.30 and 108,101.27 is: 149,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,743.33 : 274,269.30 = 108,101.27 : x
  2. Step 2: Convert to fraction form
    198,743.33/274,269.30 = 108,101.27/x
  3. Step 3: Cross multiply
    198,743.33x = 274,269.30 × 108,101.27
  4. Step 4: Simplify right side
    198,743.33x = 29,648,859,652.01
  5. Step 5: Solve for x
    x = 29,648,859,652.01/198,743.33
  6. Step 6: Final answer
    x = 149,181.66

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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.