Home / 113,996.17-170,993.91-80,122.73

Finding the Fourth Proportional to 113,996.17, 170,993.91 and 80,122.73

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Solution

The fourth proportional to 113,996.17, 170,993.91 and 80,122.73 is: 120,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,996.17 : 170,993.91 = 80,122.73 : x
  2. Step 2: Convert to fraction form
    113,996.17/170,993.91 = 80,122.73/x
  3. Step 3: Cross multiply
    113,996.17x = 170,993.91 × 80,122.73
  4. Step 4: Simplify right side
    113,996.17x = 13,700,498,583.64
  5. Step 5: Solve for x
    x = 13,700,498,583.64/113,996.17
  6. Step 6: Final answer
    x = 120,183.85

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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.