Home / 140,982.65-194,566.35-80,551.98

Finding the Fourth Proportional to 140,982.65, 194,566.35 and 80,551.98

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Solution

The fourth proportional to 140,982.65, 194,566.35 and 80,551.98 is: 111,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,982.65 : 194,566.35 = 80,551.98 : x
  2. Step 2: Convert to fraction form
    140,982.65/194,566.35 = 80,551.98/x
  3. Step 3: Cross multiply
    140,982.65x = 194,566.35 × 80,551.98
  4. Step 4: Simplify right side
    140,982.65x = 15,672,704,733.87
  5. Step 5: Solve for x
    x = 15,672,704,733.87/140,982.65
  6. Step 6: Final answer
    x = 111,167.62

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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.