Home / 263,211.20-394,816.80-179,230.40

Finding the Fourth Proportional to 263,211.20, 394,816.80 and 179,230.40

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Solution

The fourth proportional to 263,211.20, 394,816.80 and 179,230.40 is: 268,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,211.20 : 394,816.80 = 179,230.40 : x
  2. Step 2: Convert to fraction form
    263,211.20/394,816.80 = 179,230.40/x
  3. Step 3: Cross multiply
    263,211.20x = 394,816.80 × 179,230.40
  4. Step 4: Simplify right side
    263,211.20x = 70,763,172,990.72
  5. Step 5: Solve for x
    x = 70,763,172,990.72/263,211.20
  6. Step 6: Final answer
    x = 268,845.60

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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.