Home / 125,108.73-187,789.44-110,969.76

Finding the Fourth Proportional to 125,108.73, 187,789.44 and 110,969.76

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Solution

The fourth proportional to 125,108.73, 187,789.44 and 110,969.76 is: 166,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,108.73 : 187,789.44 = 110,969.76 : x
  2. Step 2: Convert to fraction form
    125,108.73/187,789.44 = 110,969.76/x
  3. Step 3: Cross multiply
    125,108.73x = 187,789.44 × 110,969.76
  4. Step 4: Simplify right side
    125,108.73x = 20,838,949,087.33
  5. Step 5: Solve for x
    x = 20,838,949,087.33/125,108.73
  6. Step 6: Final answer
    x = 166,566.71

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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.