Home / 141,493.89-195,289.28-81,104.96

Finding the Fourth Proportional to 141,493.89, 195,289.28 and 81,104.96

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Solution

The fourth proportional to 141,493.89, 195,289.28 and 81,104.96 is: 111,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,493.89 : 195,289.28 = 81,104.96 : x
  2. Step 2: Convert to fraction form
    141,493.89/195,289.28 = 81,104.96/x
  3. Step 3: Cross multiply
    141,493.89x = 195,289.28 × 81,104.96
  4. Step 4: Simplify right side
    141,493.89x = 15,838,929,629.67
  5. Step 5: Solve for x
    x = 15,838,929,629.67/141,493.89
  6. Step 6: Final answer
    x = 111,940.73

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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.