Home / 192,515.11-265,564.19-111,933.73

Finding the Fourth Proportional to 192,515.11, 265,564.19 and 111,933.73

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Solution

The fourth proportional to 192,515.11, 265,564.19 and 111,933.73 is: 154,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,515.11 : 265,564.19 = 111,933.73 : x
  2. Step 2: Convert to fraction form
    192,515.11/265,564.19 = 111,933.73/x
  3. Step 3: Cross multiply
    192,515.11x = 265,564.19 × 111,933.73
  4. Step 4: Simplify right side
    192,515.11x = 29,725,589,957.05
  5. Step 5: Solve for x
    x = 29,725,589,957.05/192,515.11
  6. Step 6: Final answer
    x = 154,406.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.