Home / 198,741.33-274,266.54-108,099.27

Finding the Fourth Proportional to 198,741.33, 274,266.54 and 108,099.27

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Solution

The fourth proportional to 198,741.33, 274,266.54 and 108,099.27 is: 149,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,741.33 : 274,266.54 = 108,099.27 : x
  2. Step 2: Convert to fraction form
    198,741.33/274,266.54 = 108,099.27/x
  3. Step 3: Cross multiply
    198,741.33x = 274,266.54 × 108,099.27
  4. Step 4: Simplify right side
    198,741.33x = 29,648,012,759.43
  5. Step 5: Solve for x
    x = 29,648,012,759.43/198,741.33
  6. Step 6: Final answer
    x = 149,178.90

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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.