Home / 135,026.20-202,544.16-50,778.64

Finding the Fourth Proportional to 135,026.20, 202,544.16 and 50,778.64

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Solution

The fourth proportional to 135,026.20, 202,544.16 and 50,778.64 is: 76,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,026.20 : 202,544.16 = 50,778.64 : x
  2. Step 2: Convert to fraction form
    135,026.20/202,544.16 = 50,778.64/x
  3. Step 3: Cross multiply
    135,026.20x = 202,544.16 × 50,778.64
  4. Step 4: Simplify right side
    135,026.20x = 10,284,916,984.74
  5. Step 5: Solve for x
    x = 10,284,916,984.74/135,026.20
  6. Step 6: Final answer
    x = 76,169.79

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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.