Home / 268,825.90-370,976.82-147,964.60

Finding the Fourth Proportional to 268,825.90, 370,976.82 and 147,964.60

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Solution

The fourth proportional to 268,825.90, 370,976.82 and 147,964.60 is: 204,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,825.90 : 370,976.82 = 147,964.60 : x
  2. Step 2: Convert to fraction form
    268,825.90/370,976.82 = 147,964.60/x
  3. Step 3: Cross multiply
    268,825.90x = 370,976.82 × 147,964.60
  4. Step 4: Simplify right side
    268,825.90x = 54,891,436,780.57
  5. Step 5: Solve for x
    x = 54,891,436,780.57/268,825.90
  6. Step 6: Final answer
    x = 204,189.54

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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.