Home / 204,098.20-306,074.40-70,982.80

Finding the Fourth Proportional to 204,098.20, 306,074.40 and 70,982.80

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Solution

The fourth proportional to 204,098.20, 306,074.40 and 70,982.80 is: 106,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,098.20 : 306,074.40 = 70,982.80 : x
  2. Step 2: Convert to fraction form
    204,098.20/306,074.40 = 70,982.80/x
  3. Step 3: Cross multiply
    204,098.20x = 306,074.40 × 70,982.80
  4. Step 4: Simplify right side
    204,098.20x = 21,726,017,920.32
  5. Step 5: Solve for x
    x = 21,726,017,920.32/204,098.20
  6. Step 6: Final answer
    x = 106,448.85

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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.