Home / 146,757.20-220,209.65-109,392.30

Finding the Fourth Proportional to 146,757.20, 220,209.65 and 109,392.30

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Solution

The fourth proportional to 146,757.20, 220,209.65 and 109,392.30 is: 164,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,757.20 : 220,209.65 = 109,392.30 : x
  2. Step 2: Convert to fraction form
    146,757.20/220,209.65 = 109,392.30/x
  3. Step 3: Cross multiply
    146,757.20x = 220,209.65 × 109,392.30
  4. Step 4: Simplify right side
    146,757.20x = 24,089,240,919.70
  5. Step 5: Solve for x
    x = 24,089,240,919.70/146,757.20
  6. Step 6: Final answer
    x = 164,143.51

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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.