Home / 110,255.26-165,251.61-76,794.10

Finding the Fourth Proportional to 110,255.26, 165,251.61 and 76,794.10

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Solution

The fourth proportional to 110,255.26, 165,251.61 and 76,794.10 is: 115,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,255.26 : 165,251.61 = 76,794.10 : x
  2. Step 2: Convert to fraction form
    110,255.26/165,251.61 = 76,794.10/x
  3. Step 3: Cross multiply
    110,255.26x = 165,251.61 × 76,794.10
  4. Step 4: Simplify right side
    110,255.26x = 12,690,348,663.50
  5. Step 5: Solve for x
    x = 12,690,348,663.50/110,255.26
  6. Step 6: Final answer
    x = 115,099.71

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1.5x scale

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.