Home / 198,742.33-274,267.92-108,100.27

Finding the Fourth Proportional to 198,742.33, 274,267.92 and 108,100.27

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Solution

The fourth proportional to 198,742.33, 274,267.92 and 108,100.27 is: 149,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,742.33 : 274,267.92 = 108,100.27 : x
  2. Step 2: Convert to fraction form
    198,742.33/274,267.92 = 108,100.27/x
  3. Step 3: Cross multiply
    198,742.33x = 274,267.92 × 108,100.27
  4. Step 4: Simplify right side
    198,742.33x = 29,648,436,204.34
  5. Step 5: Solve for x
    x = 29,648,436,204.34/198,742.33
  6. Step 6: Final answer
    x = 149,180.28

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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.