Home / 325,974.20-488,961.30-168,510.20

Finding the Fourth Proportional to 325,974.20, 488,961.30 and 168,510.20

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Solution

The fourth proportional to 325,974.20, 488,961.30 and 168,510.20 is: 252,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,974.20 : 488,961.30 = 168,510.20 : x
  2. Step 2: Convert to fraction form
    325,974.20/488,961.30 = 168,510.20/x
  3. Step 3: Cross multiply
    325,974.20x = 488,961.30 × 168,510.20
  4. Step 4: Simplify right side
    325,974.20x = 82,394,966,455.26
  5. Step 5: Solve for x
    x = 82,394,966,455.26/325,974.20
  6. Step 6: Final answer
    x = 252,765.30

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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.