Home / 132,739.82-198,993.09-49,614.38

Finding the Fourth Proportional to 132,739.82, 198,993.09 and 49,614.38

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Solution

The fourth proportional to 132,739.82, 198,993.09 and 49,614.38 is: 74,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,739.82 : 198,993.09 = 49,614.38 : x
  2. Step 2: Convert to fraction form
    132,739.82/198,993.09 = 49,614.38/x
  3. Step 3: Cross multiply
    132,739.82x = 198,993.09 × 49,614.38
  4. Step 4: Simplify right side
    132,739.82x = 9,872,918,784.63
  5. Step 5: Solve for x
    x = 9,872,918,784.63/132,739.82
  6. Step 6: Final answer
    x = 74,377.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.