Home / 259,832.41-389,759.46-82,335.49

Finding the Fourth Proportional to 259,832.41, 389,759.46 and 82,335.49

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Solution

The fourth proportional to 259,832.41, 389,759.46 and 82,335.49 is: 123,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,832.41 : 389,759.46 = 82,335.49 : x
  2. Step 2: Convert to fraction form
    259,832.41/389,759.46 = 82,335.49/x
  3. Step 3: Cross multiply
    259,832.41x = 389,759.46 × 82,335.49
  4. Step 4: Simplify right side
    259,832.41x = 32,091,036,121.24
  5. Step 5: Solve for x
    x = 32,091,036,121.24/259,832.41
  6. Step 6: Final answer
    x = 123,506.67

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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.