Home / 263,994.04-395,958.90-77,005.72

Finding the Fourth Proportional to 263,994.04, 395,958.90 and 77,005.72

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Solution

The fourth proportional to 263,994.04, 395,958.90 and 77,005.72 is: 115,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,994.04 : 395,958.90 = 77,005.72 : x
  2. Step 2: Convert to fraction form
    263,994.04/395,958.90 = 77,005.72/x
  3. Step 3: Cross multiply
    263,994.04x = 395,958.90 × 77,005.72
  4. Step 4: Simplify right side
    263,994.04x = 30,491,100,184.91
  5. Step 5: Solve for x
    x = 30,491,100,184.91/263,994.04
  6. Step 6: Final answer
    x = 115,499.20

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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.