Home / 194,843.20-268,856.64-108,791.68

Finding the Fourth Proportional to 194,843.20, 268,856.64 and 108,791.68

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Solution

The fourth proportional to 194,843.20, 268,856.64 and 108,791.68 is: 150,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,843.20 : 268,856.64 = 108,791.68 : x
  2. Step 2: Convert to fraction form
    194,843.20/268,856.64 = 108,791.68/x
  3. Step 3: Cross multiply
    194,843.20x = 268,856.64 × 108,791.68
  4. Step 4: Simplify right side
    194,843.20x = 29,249,365,544.76
  5. Step 5: Solve for x
    x = 29,249,365,544.76/194,843.20
  6. Step 6: Final answer
    x = 150,117.46

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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.