Home / 187,481.40-258,723.36-102,599.88

Finding the Fourth Proportional to 187,481.40, 258,723.36 and 102,599.88

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Solution

The fourth proportional to 187,481.40, 258,723.36 and 102,599.88 is: 141,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,481.40 : 258,723.36 = 102,599.88 : x
  2. Step 2: Convert to fraction form
    187,481.40/258,723.36 = 102,599.88/x
  3. Step 3: Cross multiply
    187,481.40x = 258,723.36 × 102,599.88
  4. Step 4: Simplify right side
    187,481.40x = 26,544,985,689.20
  5. Step 5: Solve for x
    x = 26,544,985,689.20/187,481.40
  6. Step 6: Final answer
    x = 141,587.30

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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.