Home / 134,174.82-185,146.38-80,462.10

Finding the Fourth Proportional to 134,174.82, 185,146.38 and 80,462.10

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Solution

The fourth proportional to 134,174.82, 185,146.38 and 80,462.10 is: 111,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,174.82 : 185,146.38 = 80,462.10 : x
  2. Step 2: Convert to fraction form
    134,174.82/185,146.38 = 80,462.10/x
  3. Step 3: Cross multiply
    134,174.82x = 185,146.38 × 80,462.10
  4. Step 4: Simplify right side
    134,174.82x = 14,897,266,542.20
  5. Step 5: Solve for x
    x = 14,897,266,542.20/134,174.82
  6. Step 6: Final answer
    x = 111,028.78

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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.