Home / 320,735.34-481,209.87-107,524.32

Finding the Fourth Proportional to 320,735.34, 481,209.87 and 107,524.32

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Solution

The fourth proportional to 320,735.34, 481,209.87 and 107,524.32 is: 161,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,735.34 : 481,209.87 = 107,524.32 : x
  2. Step 2: Convert to fraction form
    320,735.34/481,209.87 = 107,524.32/x
  3. Step 3: Cross multiply
    320,735.34x = 481,209.87 × 107,524.32
  4. Step 4: Simplify right side
    320,735.34x = 51,741,764,049.04
  5. Step 5: Solve for x
    x = 51,741,764,049.04/320,735.34
  6. Step 6: Final answer
    x = 161,322.30

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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.