Home / 170,906.14-255,861.06-99,610.75

Finding the Fourth Proportional to 170,906.14, 255,861.06 and 99,610.75

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Solution

The fourth proportional to 170,906.14, 255,861.06 and 99,610.75 is: 149,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,906.14 : 255,861.06 = 99,610.75 : x
  2. Step 2: Convert to fraction form
    170,906.14/255,861.06 = 99,610.75/x
  3. Step 3: Cross multiply
    170,906.14x = 255,861.06 × 99,610.75
  4. Step 4: Simplify right side
    170,906.14x = 25,486,512,082.40
  5. Step 5: Solve for x
    x = 25,486,512,082.40/170,906.14
  6. Step 6: Final answer
    x = 149,125.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.