Home / 106,821.56-160,232.69-40,243.82

Finding the Fourth Proportional to 106,821.56, 160,232.69 and 40,243.82

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Solution

The fourth proportional to 106,821.56, 160,232.69 and 40,243.82 is: 60,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,821.56 : 160,232.69 = 40,243.82 : x
  2. Step 2: Convert to fraction form
    106,821.56/160,232.69 = 40,243.82/x
  3. Step 3: Cross multiply
    106,821.56x = 160,232.69 × 40,243.82
  4. Step 4: Simplify right side
    106,821.56x = 6,448,374,833.92
  5. Step 5: Solve for x
    x = 6,448,374,833.92/106,821.56
  6. Step 6: Final answer
    x = 60,365.85

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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.