Home / 447,216.48-670,593.60-131,632.56

Finding the Fourth Proportional to 447,216.48, 670,593.60 and 131,632.56

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Solution

The fourth proportional to 447,216.48, 670,593.60 and 131,632.56 is: 197,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,216.48 : 670,593.60 = 131,632.56 : x
  2. Step 2: Convert to fraction form
    447,216.48/670,593.60 = 131,632.56/x
  3. Step 3: Cross multiply
    447,216.48x = 670,593.60 × 131,632.56
  4. Step 4: Simplify right side
    447,216.48x = 88,271,952,287.62
  5. Step 5: Solve for x
    x = 88,271,952,287.62/447,216.48
  6. Step 6: Final answer
    x = 197,380.81

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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.