Home / 135,949.59-187,605.23-75,524.04

Finding the Fourth Proportional to 135,949.59, 187,605.23 and 75,524.04

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Solution

The fourth proportional to 135,949.59, 187,605.23 and 75,524.04 is: 104,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,949.59 : 187,605.23 = 75,524.04 : x
  2. Step 2: Convert to fraction form
    135,949.59/187,605.23 = 75,524.04/x
  3. Step 3: Cross multiply
    135,949.59x = 187,605.23 × 75,524.04
  4. Step 4: Simplify right side
    135,949.59x = 14,168,704,517.11
  5. Step 5: Solve for x
    x = 14,168,704,517.11/135,949.59
  6. Step 6: Final answer
    x = 104,220.28

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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.