Home / 263,267.40-394,901.10-197,171.40

Finding the Fourth Proportional to 263,267.40, 394,901.10 and 197,171.40

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Solution

The fourth proportional to 263,267.40, 394,901.10 and 197,171.40 is: 295,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,267.40 : 394,901.10 = 197,171.40 : x
  2. Step 2: Convert to fraction form
    263,267.40/394,901.10 = 197,171.40/x
  3. Step 3: Cross multiply
    263,267.40x = 394,901.10 × 197,171.40
  4. Step 4: Simplify right side
    263,267.40x = 77,863,202,748.54
  5. Step 5: Solve for x
    x = 77,863,202,748.54/263,267.40
  6. Step 6: Final answer
    x = 295,757.10

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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.