Home / 262,844.20-394,266.30-178,863.40

Finding the Fourth Proportional to 262,844.20, 394,266.30 and 178,863.40

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Solution

The fourth proportional to 262,844.20, 394,266.30 and 178,863.40 is: 268,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,844.20 : 394,266.30 = 178,863.40 : x
  2. Step 2: Convert to fraction form
    262,844.20/394,266.30 = 178,863.40/x
  3. Step 3: Cross multiply
    262,844.20x = 394,266.30 × 178,863.40
  4. Step 4: Simplify right side
    262,844.20x = 70,519,810,923.42
  5. Step 5: Solve for x
    x = 70,519,810,923.42/262,844.20
  6. Step 6: Final answer
    x = 268,295.10

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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.