Home / 332,221.20-498,331.80-220,028.10

Finding the Fourth Proportional to 332,221.20, 498,331.80 and 220,028.10

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Solution

The fourth proportional to 332,221.20, 498,331.80 and 220,028.10 is: 330,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,221.20 : 498,331.80 = 220,028.10 : x
  2. Step 2: Convert to fraction form
    332,221.20/498,331.80 = 220,028.10/x
  3. Step 3: Cross multiply
    332,221.20x = 498,331.80 × 220,028.10
  4. Step 4: Simplify right side
    332,221.20x = 109,646,999,123.58
  5. Step 5: Solve for x
    x = 109,646,999,123.58/332,221.20
  6. Step 6: Final answer
    x = 330,042.15

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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.