Home / 135,067.65-202,426.11-55,012.25

Finding the Fourth Proportional to 135,067.65, 202,426.11 and 55,012.25

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Solution

The fourth proportional to 135,067.65, 202,426.11 and 55,012.25 is: 82,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,067.65 : 202,426.11 = 55,012.25 : x
  2. Step 2: Convert to fraction form
    135,067.65/202,426.11 = 55,012.25/x
  3. Step 3: Cross multiply
    135,067.65x = 202,426.11 × 55,012.25
  4. Step 4: Simplify right side
    135,067.65x = 11,135,914,757.72
  5. Step 5: Solve for x
    x = 11,135,914,757.72/135,067.65
  6. Step 6: Final answer
    x = 82,446.94

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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.