Home / 149,404.41-206,178.09-82,336.41

Finding the Fourth Proportional to 149,404.41, 206,178.09 and 82,336.41

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Solution

The fourth proportional to 149,404.41, 206,178.09 and 82,336.41 is: 113,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,404.41 : 206,178.09 = 82,336.41 : x
  2. Step 2: Convert to fraction form
    149,404.41/206,178.09 = 82,336.41/x
  3. Step 3: Cross multiply
    149,404.41x = 206,178.09 × 82,336.41
  4. Step 4: Simplify right side
    149,404.41x = 16,975,963,339.57
  5. Step 5: Solve for x
    x = 16,975,963,339.57/149,404.41
  6. Step 6: Final answer
    x = 113,624.25

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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.