Home / 199,177.82-274,861.85-108,534.42

Finding the Fourth Proportional to 199,177.82, 274,861.85 and 108,534.42

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Solution

The fourth proportional to 199,177.82, 274,861.85 and 108,534.42 is: 149,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,177.82 : 274,861.85 = 108,534.42 : x
  2. Step 2: Convert to fraction form
    199,177.82/274,861.85 = 108,534.42/x
  3. Step 3: Cross multiply
    199,177.82x = 274,861.85 × 108,534.42
  4. Step 4: Simplify right side
    199,177.82x = 29,831,971,469.88
  5. Step 5: Solve for x
    x = 29,831,971,469.88/199,177.82
  6. Step 6: Final answer
    x = 149,775.57

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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.