Home / 263,926.80-395,890.20-64,245.60

Finding the Fourth Proportional to 263,926.80, 395,890.20 and 64,245.60

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Solution

The fourth proportional to 263,926.80, 395,890.20 and 64,245.60 is: 96,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,926.80 : 395,890.20 = 64,245.60 : x
  2. Step 2: Convert to fraction form
    263,926.80/395,890.20 = 64,245.60/x
  3. Step 3: Cross multiply
    263,926.80x = 395,890.20 × 64,245.60
  4. Step 4: Simplify right side
    263,926.80x = 25,434,203,433.12
  5. Step 5: Solve for x
    x = 25,434,203,433.12/263,926.80
  6. Step 6: Final answer
    x = 96,368.40

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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.