Home / 180,949.80-271,383.38-68,642.49

Finding the Fourth Proportional to 180,949.80, 271,383.38 and 68,642.49

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Solution

The fourth proportional to 180,949.80, 271,383.38 and 68,642.49 is: 102,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,949.80 : 271,383.38 = 68,642.49 : x
  2. Step 2: Convert to fraction form
    180,949.80/271,383.38 = 68,642.49/x
  3. Step 3: Cross multiply
    180,949.80x = 271,383.38 × 68,642.49
  4. Step 4: Simplify right side
    180,949.80x = 18,628,430,947.82
  5. Step 5: Solve for x
    x = 18,628,430,947.82/180,949.80
  6. Step 6: Final answer
    x = 102,948.06

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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.