Home / 106,100.80-159,150.67-26,138.61

Finding the Fourth Proportional to 106,100.80, 159,150.67 and 26,138.61

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Solution

The fourth proportional to 106,100.80, 159,150.67 and 26,138.61 is: 39,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,100.80 : 159,150.67 = 26,138.61 : x
  2. Step 2: Convert to fraction form
    106,100.80/159,150.67 = 26,138.61/x
  3. Step 3: Cross multiply
    106,100.80x = 159,150.67 × 26,138.61
  4. Step 4: Simplify right side
    106,100.80x = 4,159,977,294.37
  5. Step 5: Solve for x
    x = 4,159,977,294.37/106,100.80
  6. Step 6: Final answer
    x = 39,207.78

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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.