Home / 268,766.20-370,889.40-147,907.44

Finding the Fourth Proportional to 268,766.20, 370,889.40 and 147,907.44

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Solution

The fourth proportional to 268,766.20, 370,889.40 and 147,907.44 is: 204,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,766.20 : 370,889.40 = 147,907.44 : x
  2. Step 2: Convert to fraction form
    268,766.20/370,889.40 = 147,907.44/x
  3. Step 3: Cross multiply
    268,766.20x = 370,889.40 × 147,907.44
  4. Step 4: Simplify right side
    268,766.20x = 54,857,301,677.14
  5. Step 5: Solve for x
    x = 54,857,301,677.14/268,766.20
  6. Step 6: Final answer
    x = 204,107.89

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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.