Home / 193,333.28-266,782-108,433.92

Finding the Fourth Proportional to 193,333.28, 266,782 and 108,433.92

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Solution

The fourth proportional to 193,333.28, 266,782 and 108,433.92 is: 149,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,333.28 : 266,782 = 108,433.92 : x
  2. Step 2: Convert to fraction form
    193,333.28/266,782 = 108,433.92/x
  3. Step 3: Cross multiply
    193,333.28x = 266,782 × 108,433.92
  4. Step 4: Simplify right side
    193,333.28x = 28,928,218,045.44
  5. Step 5: Solve for x
    x = 28,928,218,045.44/193,333.28
  6. Step 6: Final answer
    x = 149,628.76

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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.