Home / 125,201.76-187,743.24-72,627.36

Finding the Fourth Proportional to 125,201.76, 187,743.24 and 72,627.36

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Solution

The fourth proportional to 125,201.76, 187,743.24 and 72,627.36 is: 108,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,201.76 : 187,743.24 = 72,627.36 : x
  2. Step 2: Convert to fraction form
    125,201.76/187,743.24 = 72,627.36/x
  3. Step 3: Cross multiply
    125,201.76x = 187,743.24 × 72,627.36
  4. Step 4: Simplify right side
    125,201.76x = 13,635,295,879.05
  5. Step 5: Solve for x
    x = 13,635,295,879.05/125,201.76
  6. Step 6: Final answer
    x = 108,906.58

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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.