Home / 149,404.66-206,178.43-82,336.66

Finding the Fourth Proportional to 149,404.66, 206,178.43 and 82,336.66

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Solution

The fourth proportional to 149,404.66, 206,178.43 and 82,336.66 is: 113,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,404.66 : 206,178.43 = 82,336.66 : x
  2. Step 2: Convert to fraction form
    149,404.66/206,178.43 = 82,336.66/x
  3. Step 3: Cross multiply
    149,404.66x = 206,178.43 × 82,336.66
  4. Step 4: Simplify right side
    149,404.66x = 16,976,043,290.24
  5. Step 5: Solve for x
    x = 16,976,043,290.24/149,404.66
  6. Step 6: Final answer
    x = 113,624.59

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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.