Home / 135,463.68-203,209.92-41,976.72

Finding the Fourth Proportional to 135,463.68, 203,209.92 and 41,976.72

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Solution

The fourth proportional to 135,463.68, 203,209.92 and 41,976.72 is: 62,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,463.68 : 203,209.92 = 41,976.72 : x
  2. Step 2: Convert to fraction form
    135,463.68/203,209.92 = 41,976.72/x
  3. Step 3: Cross multiply
    135,463.68x = 203,209.92 × 41,976.72
  4. Step 4: Simplify right side
    135,463.68x = 8,530,085,913.06
  5. Step 5: Solve for x
    x = 8,530,085,913.06/135,463.68
  6. Step 6: Final answer
    x = 62,969.54

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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.