Home / 192,518.13-265,568.37-111,936.75

Finding the Fourth Proportional to 192,518.13, 265,568.37 and 111,936.75

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Solution

The fourth proportional to 192,518.13, 265,568.37 and 111,936.75 is: 154,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,518.13 : 265,568.37 = 111,936.75 : x
  2. Step 2: Convert to fraction form
    192,518.13/265,568.37 = 111,936.75/x
  3. Step 3: Cross multiply
    192,518.13x = 265,568.37 × 111,936.75
  4. Step 4: Simplify right side
    192,518.13x = 29,726,860,240.60
  5. Step 5: Solve for x
    x = 29,726,860,240.60/192,518.13
  6. Step 6: Final answer
    x = 154,410.71

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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.