Home / 140,866.24-194,379.60-87,185.92

Finding the Fourth Proportional to 140,866.24, 194,379.60 and 87,185.92

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Solution

The fourth proportional to 140,866.24, 194,379.60 and 87,185.92 is: 120,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,866.24 : 194,379.60 = 87,185.92 : x
  2. Step 2: Convert to fraction form
    140,866.24/194,379.60 = 87,185.92/x
  3. Step 3: Cross multiply
    140,866.24x = 194,379.60 × 87,185.92
  4. Step 4: Simplify right side
    140,866.24x = 16,947,164,255.23
  5. Step 5: Solve for x
    x = 16,947,164,255.23/140,866.24
  6. Step 6: Final answer
    x = 120,306.78

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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.