Home / 220,144.20-330,216.30-182,778.90

Finding the Fourth Proportional to 220,144.20, 330,216.30 and 182,778.90

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Solution

The fourth proportional to 220,144.20, 330,216.30 and 182,778.90 is: 274,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,144.20 : 330,216.30 = 182,778.90 : x
  2. Step 2: Convert to fraction form
    220,144.20/330,216.30 = 182,778.90/x
  3. Step 3: Cross multiply
    220,144.20x = 330,216.30 × 182,778.90
  4. Step 4: Simplify right side
    220,144.20x = 60,356,572,076.07
  5. Step 5: Solve for x
    x = 60,356,572,076.07/220,144.20
  6. Step 6: Final answer
    x = 274,168.35

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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.