Home / 188,905.75-260,689.94-104,022.61

Finding the Fourth Proportional to 188,905.75, 260,689.94 and 104,022.61

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Solution

The fourth proportional to 188,905.75, 260,689.94 and 104,022.61 is: 143,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,905.75 : 260,689.94 = 104,022.61 : x
  2. Step 2: Convert to fraction form
    188,905.75/260,689.94 = 104,022.61/x
  3. Step 3: Cross multiply
    188,905.75x = 260,689.94 × 104,022.61
  4. Step 4: Simplify right side
    188,905.75x = 27,117,647,959.54
  5. Step 5: Solve for x
    x = 27,117,647,959.54/188,905.75
  6. Step 6: Final answer
    x = 143,551.20

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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.