Home / 106,119.75-146,370.33-90,093.90

Finding the Fourth Proportional to 106,119.75, 146,370.33 and 90,093.90

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Solution

The fourth proportional to 106,119.75, 146,370.33 and 90,093.90 is: 124,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,119.75 : 146,370.33 = 90,093.90 : x
  2. Step 2: Convert to fraction form
    106,119.75/146,370.33 = 90,093.90/x
  3. Step 3: Cross multiply
    106,119.75x = 146,370.33 × 90,093.90
  4. Step 4: Simplify right side
    106,119.75x = 13,187,073,873.99
  5. Step 5: Solve for x
    x = 13,187,073,873.99/106,119.75
  6. Step 6: Final answer
    x = 124,265.97

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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.