Home / 140,520.98-193,923.56-76,858.77

Finding the Fourth Proportional to 140,520.98, 193,923.56 and 76,858.77

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Solution

The fourth proportional to 140,520.98, 193,923.56 and 76,858.77 is: 106,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,520.98 : 193,923.56 = 76,858.77 : x
  2. Step 2: Convert to fraction form
    140,520.98/193,923.56 = 76,858.77/x
  3. Step 3: Cross multiply
    140,520.98x = 193,923.56 × 76,858.77
  4. Step 4: Simplify right side
    140,520.98x = 14,904,726,487.77
  5. Step 5: Solve for x
    x = 14,904,726,487.77/140,520.98
  6. Step 6: Final answer
    x = 106,067.63

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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.