Home / 263,116.80-394,286.40-223,459.20

Finding the Fourth Proportional to 263,116.80, 394,286.40 and 223,459.20

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Solution

The fourth proportional to 263,116.80, 394,286.40 and 223,459.20 is: 334,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,116.80 : 394,286.40 = 223,459.20 : x
  2. Step 2: Convert to fraction form
    263,116.80/394,286.40 = 223,459.20/x
  3. Step 3: Cross multiply
    263,116.80x = 394,286.40 × 223,459.20
  4. Step 4: Simplify right side
    263,116.80x = 88,106,923,514.88
  5. Step 5: Solve for x
    x = 88,106,923,514.88/263,116.80
  6. Step 6: Final answer
    x = 334,858.60

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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.