Home / 112,183.11-154,735.62-66,826.15

Finding the Fourth Proportional to 112,183.11, 154,735.62 and 66,826.15

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Solution

The fourth proportional to 112,183.11, 154,735.62 and 66,826.15 is: 92,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,183.11 : 154,735.62 = 66,826.15 : x
  2. Step 2: Convert to fraction form
    112,183.11/154,735.62 = 66,826.15/x
  3. Step 3: Cross multiply
    112,183.11x = 154,735.62 × 66,826.15
  4. Step 4: Simplify right side
    112,183.11x = 10,340,385,115.03
  5. Step 5: Solve for x
    x = 10,340,385,115.03/112,183.11
  6. Step 6: Final answer
    x = 92,174.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.