Home / 261,947.27-392,993.44-104,286.44

Finding the Fourth Proportional to 261,947.27, 392,993.44 and 104,286.44

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Solution

The fourth proportional to 261,947.27, 392,993.44 and 104,286.44 is: 156,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,947.27 : 392,993.44 = 104,286.44 : x
  2. Step 2: Convert to fraction form
    261,947.27/392,993.44 = 104,286.44/x
  3. Step 3: Cross multiply
    261,947.27x = 392,993.44 × 104,286.44
  4. Step 4: Simplify right side
    261,947.27x = 40,983,887,522.72
  5. Step 5: Solve for x
    x = 40,983,887,522.72/261,947.27
  6. Step 6: Final answer
    x = 156,458.54

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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.