Home / 106,099.80-159,149.17-26,137.61

Finding the Fourth Proportional to 106,099.80, 159,149.17 and 26,137.61

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Solution

The fourth proportional to 106,099.80, 159,149.17 and 26,137.61 is: 39,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,099.80 : 159,149.17 = 26,137.61 : x
  2. Step 2: Convert to fraction form
    106,099.80/159,149.17 = 26,137.61/x
  3. Step 3: Cross multiply
    106,099.80x = 159,149.17 × 26,137.61
  4. Step 4: Simplify right side
    106,099.80x = 4,159,779,108.36
  5. Step 5: Solve for x
    x = 4,159,779,108.36/106,099.80
  6. Step 6: Final answer
    x = 39,206.29

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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.