Home / 175,273.60-263,002.20-80,532.40

Finding the Fourth Proportional to 175,273.60, 263,002.20 and 80,532.40

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Solution

The fourth proportional to 175,273.60, 263,002.20 and 80,532.40 is: 120,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,273.60 : 263,002.20 = 80,532.40 : x
  2. Step 2: Convert to fraction form
    175,273.60/263,002.20 = 80,532.40/x
  3. Step 3: Cross multiply
    175,273.60x = 263,002.20 × 80,532.40
  4. Step 4: Simplify right side
    175,273.60x = 21,180,198,371.28
  5. Step 5: Solve for x
    x = 21,180,198,371.28/175,273.60
  6. Step 6: Final answer
    x = 120,840.78

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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.