Home / 187,892.28-259,301.97-111,456.63

Finding the Fourth Proportional to 187,892.28, 259,301.97 and 111,456.63

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Solution

The fourth proportional to 187,892.28, 259,301.97 and 111,456.63 is: 153,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,892.28 : 259,301.97 = 111,456.63 : x
  2. Step 2: Convert to fraction form
    187,892.28/259,301.97 = 111,456.63/x
  3. Step 3: Cross multiply
    187,892.28x = 259,301.97 × 111,456.63
  4. Step 4: Simplify right side
    187,892.28x = 28,900,923,728.56
  5. Step 5: Solve for x
    x = 28,900,923,728.56/187,892.28
  6. Step 6: Final answer
    x = 153,816.45

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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.