Home / 149,872.16-206,915.82-96,251.68

Finding the Fourth Proportional to 149,872.16, 206,915.82 and 96,251.68

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Solution

The fourth proportional to 149,872.16, 206,915.82 and 96,251.68 is: 132,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,872.16 : 206,915.82 = 96,251.68 : x
  2. Step 2: Convert to fraction form
    149,872.16/206,915.82 = 96,251.68/x
  3. Step 3: Cross multiply
    149,872.16x = 206,915.82 × 96,251.68
  4. Step 4: Simplify right side
    149,872.16x = 19,915,994,259.00
  5. Step 5: Solve for x
    x = 19,915,994,259.00/149,872.16
  6. Step 6: Final answer
    x = 132,886.55

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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.