Home / 106,834.60-159,906.30-98,540.20

Finding the Fourth Proportional to 106,834.60, 159,906.30 and 98,540.20

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Solution

The fourth proportional to 106,834.60, 159,906.30 and 98,540.20 is: 147,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,834.60 : 159,906.30 = 98,540.20 : x
  2. Step 2: Convert to fraction form
    106,834.60/159,906.30 = 98,540.20/x
  3. Step 3: Cross multiply
    106,834.60x = 159,906.30 × 98,540.20
  4. Step 4: Simplify right side
    106,834.60x = 15,757,198,783.26
  5. Step 5: Solve for x
    x = 15,757,198,783.26/106,834.60
  6. Step 6: Final answer
    x = 147,491.53

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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.