Home / 186,787.23-280,198.26-74,440.23

Finding the Fourth Proportional to 186,787.23, 280,198.26 and 74,440.23

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Solution

The fourth proportional to 186,787.23, 280,198.26 and 74,440.23 is: 111,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,787.23 : 280,198.26 = 74,440.23 : x
  2. Step 2: Convert to fraction form
    186,787.23/280,198.26 = 74,440.23/x
  3. Step 3: Cross multiply
    186,787.23x = 280,198.26 × 74,440.23
  4. Step 4: Simplify right side
    186,787.23x = 20,858,022,920.00
  5. Step 5: Solve for x
    x = 20,858,022,920.00/186,787.23
  6. Step 6: Final answer
    x = 111,667.29

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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.