Home / 187,960.10-259,361.03-107,392.84

Finding the Fourth Proportional to 187,960.10, 259,361.03 and 107,392.84

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Solution

The fourth proportional to 187,960.10, 259,361.03 and 107,392.84 is: 148,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,960.10 : 259,361.03 = 107,392.84 : x
  2. Step 2: Convert to fraction form
    187,960.10/259,361.03 = 107,392.84/x
  3. Step 3: Cross multiply
    187,960.10x = 259,361.03 × 107,392.84
  4. Step 4: Simplify right side
    187,960.10x = 27,853,517,217.10
  5. Step 5: Solve for x
    x = 27,853,517,217.10/187,960.10
  6. Step 6: Final answer
    x = 148,188.46

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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.