Home / 187,906.44-259,321.49-111,470.79

Finding the Fourth Proportional to 187,906.44, 259,321.49 and 111,470.79

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Solution

The fourth proportional to 187,906.44, 259,321.49 and 111,470.79 is: 153,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,906.44 : 259,321.49 = 111,470.79 : x
  2. Step 2: Convert to fraction form
    187,906.44/259,321.49 = 111,470.79/x
  3. Step 3: Cross multiply
    187,906.44x = 259,321.49 × 111,470.79
  4. Step 4: Simplify right side
    187,906.44x = 28,906,772,187.39
  5. Step 5: Solve for x
    x = 28,906,772,187.39/187,906.44
  6. Step 6: Final answer
    x = 153,835.98

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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.