Home / 180,949.42-271,382.82-68,642.11

Finding the Fourth Proportional to 180,949.42, 271,382.82 and 68,642.11

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Solution

The fourth proportional to 180,949.42, 271,382.82 and 68,642.11 is: 102,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,949.42 : 271,382.82 = 68,642.11 : x
  2. Step 2: Convert to fraction form
    180,949.42/271,382.82 = 68,642.11/x
  3. Step 3: Cross multiply
    180,949.42x = 271,382.82 × 68,642.11
  4. Step 4: Simplify right side
    180,949.42x = 18,628,289,382.55
  5. Step 5: Solve for x
    x = 18,628,289,382.55/180,949.42
  6. Step 6: Final answer
    x = 102,947.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.