Home / 149,619.75-206,475.26-82,551.75

Finding the Fourth Proportional to 149,619.75, 206,475.26 and 82,551.75

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Solution

The fourth proportional to 149,619.75, 206,475.26 and 82,551.75 is: 113,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,619.75 : 206,475.26 = 82,551.75 : x
  2. Step 2: Convert to fraction form
    149,619.75/206,475.26 = 82,551.75/x
  3. Step 3: Cross multiply
    149,619.75x = 206,475.26 × 82,551.75
  4. Step 4: Simplify right side
    149,619.75x = 17,044,894,044.71
  5. Step 5: Solve for x
    x = 17,044,894,044.71/149,619.75
  6. Step 6: Final answer
    x = 113,921.42

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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.