Home / 198,767.36-274,291.04-108,123.44

Finding the Fourth Proportional to 198,767.36, 274,291.04 and 108,123.44

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Solution

The fourth proportional to 198,767.36, 274,291.04 and 108,123.44 is: 149,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,767.36 : 274,291.04 = 108,123.44 : x
  2. Step 2: Convert to fraction form
    198,767.36/274,291.04 = 108,123.44/x
  3. Step 3: Cross multiply
    198,767.36x = 274,291.04 × 108,123.44
  4. Step 4: Simplify right side
    198,767.36x = 29,657,290,805.98
  5. Step 5: Solve for x
    x = 29,657,290,805.98/198,767.36
  6. Step 6: Final answer
    x = 149,206.04

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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.