Home / 220,517.35-330,480.78-108,025.36

Finding the Fourth Proportional to 220,517.35, 330,480.78 and 108,025.36

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Solution

The fourth proportional to 220,517.35, 330,480.78 and 108,025.36 is: 161,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,517.35 : 330,480.78 = 108,025.36 : x
  2. Step 2: Convert to fraction form
    220,517.35/330,480.78 = 108,025.36/x
  3. Step 3: Cross multiply
    220,517.35x = 330,480.78 × 108,025.36
  4. Step 4: Simplify right side
    220,517.35x = 35,700,305,232.58
  5. Step 5: Solve for x
    x = 35,700,305,232.58/220,517.35
  6. Step 6: Final answer
    x = 161,893.41

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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.