Home / 175,680.27-263,480.88-80,819.31

Finding the Fourth Proportional to 175,680.27, 263,480.88 and 80,819.31

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Solution

The fourth proportional to 175,680.27, 263,480.88 and 80,819.31 is: 121,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,680.27 : 263,480.88 = 80,819.31 : x
  2. Step 2: Convert to fraction form
    175,680.27/263,480.88 = 80,819.31/x
  3. Step 3: Cross multiply
    175,680.27x = 263,480.88 × 80,819.31
  4. Step 4: Simplify right side
    175,680.27x = 21,294,342,919.79
  5. Step 5: Solve for x
    x = 21,294,342,919.79/175,680.27
  6. Step 6: Final answer
    x = 121,210.78

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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.