Home / 135,965.10-203,947.65-132,077.10

Finding the Fourth Proportional to 135,965.10, 203,947.65 and 132,077.10

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Solution

The fourth proportional to 135,965.10, 203,947.65 and 132,077.10 is: 198,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,965.10 : 203,947.65 = 132,077.10 : x
  2. Step 2: Convert to fraction form
    135,965.10/203,947.65 = 132,077.10/x
  3. Step 3: Cross multiply
    135,965.10x = 203,947.65 × 132,077.10
  4. Step 4: Simplify right side
    135,965.10x = 26,936,814,163.82
  5. Step 5: Solve for x
    x = 26,936,814,163.82/135,965.10
  6. Step 6: Final answer
    x = 198,115.65

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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.