Home / 199,305.14-274,885.57-127,691.87

Finding the Fourth Proportional to 199,305.14, 274,885.57 and 127,691.87

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Solution

The fourth proportional to 199,305.14, 274,885.57 and 127,691.87 is: 176,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,305.14 : 274,885.57 = 127,691.87 : x
  2. Step 2: Convert to fraction form
    199,305.14/274,885.57 = 127,691.87/x
  3. Step 3: Cross multiply
    199,305.14x = 274,885.57 × 127,691.87
  4. Step 4: Simplify right side
    199,305.14x = 35,100,652,469.32
  5. Step 5: Solve for x
    x = 35,100,652,469.32/199,305.14
  6. Step 6: Final answer
    x = 176,115.14

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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.