Home / 140,895.18-194,448.80-80,474.85

Finding the Fourth Proportional to 140,895.18, 194,448.80 and 80,474.85

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Solution

The fourth proportional to 140,895.18, 194,448.80 and 80,474.85 is: 111,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,895.18 : 194,448.80 = 80,474.85 : x
  2. Step 2: Convert to fraction form
    140,895.18/194,448.80 = 80,474.85/x
  3. Step 3: Cross multiply
    140,895.18x = 194,448.80 × 80,474.85
  4. Step 4: Simplify right side
    140,895.18x = 15,648,238,213.87
  5. Step 5: Solve for x
    x = 15,648,238,213.87/140,895.18
  6. Step 6: Final answer
    x = 111,062.98

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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.