Home / 269,188.20-403,782.30-206,202.60

Finding the Fourth Proportional to 269,188.20, 403,782.30 and 206,202.60

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Solution

The fourth proportional to 269,188.20, 403,782.30 and 206,202.60 is: 309,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,188.20 : 403,782.30 = 206,202.60 : x
  2. Step 2: Convert to fraction form
    269,188.20/403,782.30 = 206,202.60/x
  3. Step 3: Cross multiply
    269,188.20x = 403,782.30 × 206,202.60
  4. Step 4: Simplify right side
    269,188.20x = 83,260,960,093.98
  5. Step 5: Solve for x
    x = 83,260,960,093.98/269,188.20
  6. Step 6: Final answer
    x = 309,303.90

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1.5x scale

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.