Home / 204,114.62-306,311.25-70,993.55

Finding the Fourth Proportional to 204,114.62, 306,311.25 and 70,993.55

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Solution

The fourth proportional to 204,114.62, 306,311.25 and 70,993.55 is: 106,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,114.62 : 306,311.25 = 70,993.55 : x
  2. Step 2: Convert to fraction form
    204,114.62/306,311.25 = 70,993.55/x
  3. Step 3: Cross multiply
    204,114.62x = 306,311.25 × 70,993.55
  4. Step 4: Simplify right side
    204,114.62x = 21,746,121,510.88
  5. Step 5: Solve for x
    x = 21,746,121,510.88/204,114.62
  6. Step 6: Final answer
    x = 106,538.78

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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.