Home / 135,661.20-187,015.80-95,251.92

Finding the Fourth Proportional to 135,661.20, 187,015.80 and 95,251.92

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Solution

The fourth proportional to 135,661.20, 187,015.80 and 95,251.92 is: 131,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,661.20 : 187,015.80 = 95,251.92 : x
  2. Step 2: Convert to fraction form
    135,661.20/187,015.80 = 95,251.92/x
  3. Step 3: Cross multiply
    135,661.20x = 187,015.80 × 95,251.92
  4. Step 4: Simplify right side
    135,661.20x = 17,813,614,020.34
  5. Step 5: Solve for x
    x = 17,813,614,020.34/135,661.20
  6. Step 6: Final answer
    x = 131,309.57

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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.