Home / 286,022.48-394,768.46-165,183.44

Finding the Fourth Proportional to 286,022.48, 394,768.46 and 165,183.44

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Solution

The fourth proportional to 286,022.48, 394,768.46 and 165,183.44 is: 227,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,022.48 : 394,768.46 = 165,183.44 : x
  2. Step 2: Convert to fraction form
    286,022.48/394,768.46 = 165,183.44/x
  3. Step 3: Cross multiply
    286,022.48x = 394,768.46 × 165,183.44
  4. Step 4: Simplify right side
    286,022.48x = 65,209,212,226.30
  5. Step 5: Solve for x
    x = 65,209,212,226.30/286,022.48
  6. Step 6: Final answer
    x = 227,986.32

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1.5x scale

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.