Home / 112,198.99-154,815.57-66,876.15

Finding the Fourth Proportional to 112,198.99, 154,815.57 and 66,876.15

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Solution

The fourth proportional to 112,198.99, 154,815.57 and 66,876.15 is: 92,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,198.99 : 154,815.57 = 66,876.15 : x
  2. Step 2: Convert to fraction form
    112,198.99/154,815.57 = 66,876.15/x
  3. Step 3: Cross multiply
    112,198.99x = 154,815.57 × 66,876.15
  4. Step 4: Simplify right side
    112,198.99x = 10,353,469,281.66
  5. Step 5: Solve for x
    x = 10,353,469,281.66/112,198.99
  6. Step 6: Final answer
    x = 92,277.74

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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.