Home / 125,198.11-187,546.74-75,251.08

Finding the Fourth Proportional to 125,198.11, 187,546.74 and 75,251.08

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Solution

The fourth proportional to 125,198.11, 187,546.74 and 75,251.08 is: 112,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,198.11 : 187,546.74 = 75,251.08 : x
  2. Step 2: Convert to fraction form
    125,198.11/187,546.74 = 75,251.08/x
  3. Step 3: Cross multiply
    125,198.11x = 187,546.74 × 75,251.08
  4. Step 4: Simplify right side
    125,198.11x = 14,113,094,735.48
  5. Step 5: Solve for x
    x = 14,113,094,735.48/125,198.11
  6. Step 6: Final answer
    x = 112,726.10

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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.