Home / 187,231.83-258,380.06-102,348.92

Finding the Fourth Proportional to 187,231.83, 258,380.06 and 102,348.92

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Solution

The fourth proportional to 187,231.83, 258,380.06 and 102,348.92 is: 141,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,231.83 : 258,380.06 = 102,348.92 : x
  2. Step 2: Convert to fraction form
    187,231.83/258,380.06 = 102,348.92/x
  3. Step 3: Cross multiply
    187,231.83x = 258,380.06 × 102,348.92
  4. Step 4: Simplify right side
    187,231.83x = 26,444,918,286.89
  5. Step 5: Solve for x
    x = 26,444,918,286.89/187,231.83
  6. Step 6: Final answer
    x = 141,241.57

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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.