Home / 186,107.20-256,815.30-101,222.44

Finding the Fourth Proportional to 186,107.20, 256,815.30 and 101,222.44

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Solution

The fourth proportional to 186,107.20, 256,815.30 and 101,222.44 is: 139,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,107.20 : 256,815.30 = 101,222.44 : x
  2. Step 2: Convert to fraction form
    186,107.20/256,815.30 = 101,222.44/x
  3. Step 3: Cross multiply
    186,107.20x = 256,815.30 × 101,222.44
  4. Step 4: Simplify right side
    186,107.20x = 25,995,471,295.33
  5. Step 5: Solve for x
    x = 25,995,471,295.33/186,107.20
  6. Step 6: Final answer
    x = 139,680.09

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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.