Home / 106,205.44-159,335.49-31,322.56

Finding the Fourth Proportional to 106,205.44, 159,335.49 and 31,322.56

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Solution

The fourth proportional to 106,205.44, 159,335.49 and 31,322.56 is: 46,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,205.44 : 159,335.49 = 31,322.56 : x
  2. Step 2: Convert to fraction form
    106,205.44/159,335.49 = 31,322.56/x
  3. Step 3: Cross multiply
    106,205.44x = 159,335.49 × 31,322.56
  4. Step 4: Simplify right side
    106,205.44x = 4,990,794,648.98
  5. Step 5: Solve for x
    x = 4,990,794,648.98/106,205.44
  6. Step 6: Final answer
    x = 46,991.89

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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.