Home / 179,537.11-247,691.66-103,028.56

Finding the Fourth Proportional to 179,537.11, 247,691.66 and 103,028.56

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Solution

The fourth proportional to 179,537.11, 247,691.66 and 103,028.56 is: 142,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,537.11 : 247,691.66 = 103,028.56 : x
  2. Step 2: Convert to fraction form
    179,537.11/247,691.66 = 103,028.56/x
  3. Step 3: Cross multiply
    179,537.11x = 247,691.66 × 103,028.56
  4. Step 4: Simplify right side
    179,537.11x = 25,519,313,919.44
  5. Step 5: Solve for x
    x = 25,519,313,919.44/179,537.11
  6. Step 6: Final answer
    x = 142,139.50

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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.