Home / 220,176.20-330,231.90-62,420.60

Finding the Fourth Proportional to 220,176.20, 330,231.90 and 62,420.60

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Solution

The fourth proportional to 220,176.20, 330,231.90 and 62,420.60 is: 93,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,176.20 : 330,231.90 = 62,420.60 : x
  2. Step 2: Convert to fraction form
    220,176.20/330,231.90 = 62,420.60/x
  3. Step 3: Cross multiply
    220,176.20x = 330,231.90 × 62,420.60
  4. Step 4: Simplify right side
    220,176.20x = 20,613,273,337.14
  5. Step 5: Solve for x
    x = 20,613,273,337.14/220,176.20
  6. Step 6: Final answer
    x = 93,621.71

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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.