Home / 269,183.20-403,774.80-82,194.40

Finding the Fourth Proportional to 269,183.20, 403,774.80 and 82,194.40

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Solution

The fourth proportional to 269,183.20, 403,774.80 and 82,194.40 is: 123,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,183.20 : 403,774.80 = 82,194.40 : x
  2. Step 2: Convert to fraction form
    269,183.20/403,774.80 = 82,194.40/x
  3. Step 3: Cross multiply
    269,183.20x = 403,774.80 × 82,194.40
  4. Step 4: Simplify right side
    269,183.20x = 33,188,027,421.12
  5. Step 5: Solve for x
    x = 33,188,027,421.12/269,183.20
  6. Step 6: Final answer
    x = 123,291.60

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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.