Home / 187,921.24-259,364.46-112,469.56

Finding the Fourth Proportional to 187,921.24, 259,364.46 and 112,469.56

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Solution

The fourth proportional to 187,921.24, 259,364.46 and 112,469.56 is: 155,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,921.24 : 259,364.46 = 112,469.56 : x
  2. Step 2: Convert to fraction form
    187,921.24/259,364.46 = 112,469.56/x
  3. Step 3: Cross multiply
    187,921.24x = 259,364.46 × 112,469.56
  4. Step 4: Simplify right side
    187,921.24x = 29,170,606,695.84
  5. Step 5: Solve for x
    x = 29,170,606,695.84/187,921.24
  6. Step 6: Final answer
    x = 155,227.83

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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.