Home / 492,078.20-738,117.30-159,654.20

Finding the Fourth Proportional to 492,078.20, 738,117.30 and 159,654.20

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Solution

The fourth proportional to 492,078.20, 738,117.30 and 159,654.20 is: 239,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,078.20 : 738,117.30 = 159,654.20 : x
  2. Step 2: Convert to fraction form
    492,078.20/738,117.30 = 159,654.20/x
  3. Step 3: Cross multiply
    492,078.20x = 738,117.30 × 159,654.20
  4. Step 4: Simplify right side
    492,078.20x = 117,843,527,037.66
  5. Step 5: Solve for x
    x = 117,843,527,037.66/492,078.20
  6. Step 6: Final answer
    x = 239,481.30

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Similar ratio
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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.