Home / 188,286.08-259,772.22-111,828.56

Finding the Fourth Proportional to 188,286.08, 259,772.22 and 111,828.56

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Solution

The fourth proportional to 188,286.08, 259,772.22 and 111,828.56 is: 154,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,286.08 : 259,772.22 = 111,828.56 : x
  2. Step 2: Convert to fraction form
    188,286.08/259,772.22 = 111,828.56/x
  3. Step 3: Cross multiply
    188,286.08x = 259,772.22 × 111,828.56
  4. Step 4: Simplify right side
    188,286.08x = 29,049,953,290.60
  5. Step 5: Solve for x
    x = 29,049,953,290.60/188,286.08
  6. Step 6: Final answer
    x = 154,286.25

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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.