Home / 187,236.88-258,392.52-102,358.48

Finding the Fourth Proportional to 187,236.88, 258,392.52 and 102,358.48

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Solution

The fourth proportional to 187,236.88, 258,392.52 and 102,358.48 is: 141,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,236.88 : 258,392.52 = 102,358.48 : x
  2. Step 2: Convert to fraction form
    187,236.88/258,392.52 = 102,358.48/x
  3. Step 3: Cross multiply
    187,236.88x = 258,392.52 × 102,358.48
  4. Step 4: Simplify right side
    187,236.88x = 26,448,665,590.57
  5. Step 5: Solve for x
    x = 26,448,665,590.57/187,236.88
  6. Step 6: Final answer
    x = 141,257.78

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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.