Home / 187,524.41-258,786.11-102,639.65

Finding the Fourth Proportional to 187,524.41, 258,786.11 and 102,639.65

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Solution

The fourth proportional to 187,524.41, 258,786.11 and 102,639.65 is: 141,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,524.41 : 258,786.11 = 102,639.65 : x
  2. Step 2: Convert to fraction form
    187,524.41/258,786.11 = 102,639.65/x
  3. Step 3: Cross multiply
    187,524.41x = 258,786.11 × 102,639.65
  4. Step 4: Simplify right side
    187,524.41x = 26,561,714,848.96
  5. Step 5: Solve for x
    x = 26,561,714,848.96/187,524.41
  6. Step 6: Final answer
    x = 141,644.04

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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.