Home / 332,148.20-498,222.30-219,955.10

Finding the Fourth Proportional to 332,148.20, 498,222.30 and 219,955.10

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Solution

The fourth proportional to 332,148.20, 498,222.30 and 219,955.10 is: 329,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,148.20 : 498,222.30 = 219,955.10 : x
  2. Step 2: Convert to fraction form
    332,148.20/498,222.30 = 219,955.10/x
  3. Step 3: Cross multiply
    332,148.20x = 498,222.30 × 219,955.10
  4. Step 4: Simplify right side
    332,148.20x = 109,586,535,818.73
  5. Step 5: Solve for x
    x = 109,586,535,818.73/332,148.20
  6. Step 6: Final answer
    x = 329,932.65

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Double scale
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Similar ratio
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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.