Home / 140,105.33-193,119.49-94,766.78

Finding the Fourth Proportional to 140,105.33, 193,119.49 and 94,766.78

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Solution

The fourth proportional to 140,105.33, 193,119.49 and 94,766.78 is: 130,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,105.33 : 193,119.49 = 94,766.78 : x
  2. Step 2: Convert to fraction form
    140,105.33/193,119.49 = 94,766.78/x
  3. Step 3: Cross multiply
    140,105.33x = 193,119.49 × 94,766.78
  4. Step 4: Simplify right side
    140,105.33x = 18,301,311,737.50
  5. Step 5: Solve for x
    x = 18,301,311,737.50/140,105.33
  6. Step 6: Final answer
    x = 130,625.38

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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.