Home / 106,869.21-160,366.77-39,448.73

Finding the Fourth Proportional to 106,869.21, 160,366.77 and 39,448.73

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Solution

The fourth proportional to 106,869.21, 160,366.77 and 39,448.73 is: 59,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.21 : 160,366.77 = 39,448.73 : x
  2. Step 2: Convert to fraction form
    106,869.21/160,366.77 = 39,448.73/x
  3. Step 3: Cross multiply
    106,869.21x = 160,366.77 × 39,448.73
  4. Step 4: Simplify right side
    106,869.21x = 6,326,264,608.87
  5. Step 5: Solve for x
    x = 6,326,264,608.87/106,869.21
  6. Step 6: Final answer
    x = 59,196.33

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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.