Home / 446,850.27-670,276.62-131,331.78

Finding the Fourth Proportional to 446,850.27, 670,276.62 and 131,331.78

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Solution

The fourth proportional to 446,850.27, 670,276.62 and 131,331.78 is: 196,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,850.27 : 670,276.62 = 131,331.78 : x
  2. Step 2: Convert to fraction form
    446,850.27/670,276.62 = 131,331.78/x
  3. Step 3: Cross multiply
    446,850.27x = 670,276.62 × 131,331.78
  4. Step 4: Simplify right side
    446,850.27x = 88,028,621,596.98
  5. Step 5: Solve for x
    x = 88,028,621,596.98/446,850.27
  6. Step 6: Final answer
    x = 196,998.03

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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.