Home / 198,743.27-274,267.69-108,101.34

Finding the Fourth Proportional to 198,743.27, 274,267.69 and 108,101.34

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Solution

The fourth proportional to 198,743.27, 274,267.69 and 108,101.34 is: 149,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,743.27 : 274,267.69 = 108,101.34 : x
  2. Step 2: Convert to fraction form
    198,743.27/274,267.69 = 108,101.34/x
  3. Step 3: Cross multiply
    198,743.27x = 274,267.69 × 108,101.34
  4. Step 4: Simplify right side
    198,743.27x = 29,648,704,537.45
  5. Step 5: Solve for x
    x = 29,648,704,537.45/198,743.27
  6. Step 6: Final answer
    x = 149,180.93

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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.