Home / 110,134.68-165,121.20-35,211.70

Finding the Fourth Proportional to 110,134.68, 165,121.20 and 35,211.70

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Solution

The fourth proportional to 110,134.68, 165,121.20 and 35,211.70 is: 52,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,134.68 : 165,121.20 = 35,211.70 : x
  2. Step 2: Convert to fraction form
    110,134.68/165,121.20 = 35,211.70/x
  3. Step 3: Cross multiply
    110,134.68x = 165,121.20 × 35,211.70
  4. Step 4: Simplify right side
    110,134.68x = 5,814,198,364.44
  5. Step 5: Solve for x
    x = 5,814,198,364.44/110,134.68
  6. Step 6: Final answer
    x = 52,791.71

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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.