Home / 263,296.20-394,490.70-122,766.60

Finding the Fourth Proportional to 263,296.20, 394,490.70 and 122,766.60

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Solution

The fourth proportional to 263,296.20, 394,490.70 and 122,766.60 is: 183,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,296.20 : 394,490.70 = 122,766.60 : x
  2. Step 2: Convert to fraction form
    263,296.20/394,490.70 = 122,766.60/x
  3. Step 3: Cross multiply
    263,296.20x = 394,490.70 × 122,766.60
  4. Step 4: Simplify right side
    263,296.20x = 48,430,281,970.62
  5. Step 5: Solve for x
    x = 48,430,281,970.62/263,296.20
  6. Step 6: Final answer
    x = 183,938.40

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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.