Home / 187,069.44-258,146.19-102,170.10

Finding the Fourth Proportional to 187,069.44, 258,146.19 and 102,170.10

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Solution

The fourth proportional to 187,069.44, 258,146.19 and 102,170.10 is: 140,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,069.44 : 258,146.19 = 102,170.10 : x
  2. Step 2: Convert to fraction form
    187,069.44/258,146.19 = 102,170.10/x
  3. Step 3: Cross multiply
    187,069.44x = 258,146.19 × 102,170.10
  4. Step 4: Simplify right side
    187,069.44x = 26,374,822,046.92
  5. Step 5: Solve for x
    x = 26,374,822,046.92/187,069.44
  6. Step 6: Final answer
    x = 140,989.47

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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.