Home / 125,078.54-187,626.56-50,198.72

Finding the Fourth Proportional to 125,078.54, 187,626.56 and 50,198.72

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Solution

The fourth proportional to 125,078.54, 187,626.56 and 50,198.72 is: 75,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,078.54 : 187,626.56 = 50,198.72 : x
  2. Step 2: Convert to fraction form
    125,078.54/187,626.56 = 50,198.72/x
  3. Step 3: Cross multiply
    125,078.54x = 187,626.56 × 50,198.72
  4. Step 4: Simplify right side
    125,078.54x = 9,418,611,960.88
  5. Step 5: Solve for x
    x = 9,418,611,960.88/125,078.54
  6. Step 6: Final answer
    x = 75,301.59

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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.