Home / 187,566.20-258,770.70-123,071.04

Finding the Fourth Proportional to 187,566.20, 258,770.70 and 123,071.04

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Solution

The fourth proportional to 187,566.20, 258,770.70 and 123,071.04 is: 169,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,566.20 : 258,770.70 = 123,071.04 : x
  2. Step 2: Convert to fraction form
    187,566.20/258,770.70 = 123,071.04/x
  3. Step 3: Cross multiply
    187,566.20x = 258,770.70 × 123,071.04
  4. Step 4: Simplify right side
    187,566.20x = 31,847,179,170.53
  5. Step 5: Solve for x
    x = 31,847,179,170.53/187,566.20
  6. Step 6: Final answer
    x = 169,791.68

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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.