Home / 140,454.14-193,826.67-76,791.92

Finding the Fourth Proportional to 140,454.14, 193,826.67 and 76,791.92

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Solution

The fourth proportional to 140,454.14, 193,826.67 and 76,791.92 is: 105,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454.14 : 193,826.67 = 76,791.92 : x
  2. Step 2: Convert to fraction form
    140,454.14/193,826.67 = 76,791.92/x
  3. Step 3: Cross multiply
    140,454.14x = 193,826.67 × 76,791.92
  4. Step 4: Simplify right side
    140,454.14x = 14,884,321,167.37
  5. Step 5: Solve for x
    x = 14,884,321,167.37/140,454.14
  6. Step 6: Final answer
    x = 105,972.82

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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.