Home / 140,766.11-194,276.56-86,308.65

Finding the Fourth Proportional to 140,766.11, 194,276.56 and 86,308.65

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Solution

The fourth proportional to 140,766.11, 194,276.56 and 86,308.65 is: 119,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,766.11 : 194,276.56 = 86,308.65 : x
  2. Step 2: Convert to fraction form
    140,766.11/194,276.56 = 86,308.65/x
  3. Step 3: Cross multiply
    140,766.11x = 194,276.56 × 86,308.65
  4. Step 4: Simplify right side
    140,766.11x = 16,767,747,620.24
  5. Step 5: Solve for x
    x = 16,767,747,620.24/140,766.11
  6. Step 6: Final answer
    x = 119,117.79

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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.