Home / 110,265.60-165,355.20-40,108.80

Finding the Fourth Proportional to 110,265.60, 165,355.20 and 40,108.80

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Solution

The fourth proportional to 110,265.60, 165,355.20 and 40,108.80 is: 60,147.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,265.60 : 165,355.20 = 40,108.80 : x
  2. Step 2: Convert to fraction form
    110,265.60/165,355.20 = 40,108.80/x
  3. Step 3: Cross multiply
    110,265.60x = 165,355.20 × 40,108.80
  4. Step 4: Simplify right side
    110,265.60x = 6,632,198,645.76
  5. Step 5: Solve for x
    x = 6,632,198,645.76/110,265.60
  6. Step 6: Final answer
    x = 60,147.49

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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.