Home / 319,284.33-440,581.23-196,757.66

Finding the Fourth Proportional to 319,284.33, 440,581.23 and 196,757.66

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Solution

The fourth proportional to 319,284.33, 440,581.23 and 196,757.66 is: 271,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,284.33 : 440,581.23 = 196,757.66 : x
  2. Step 2: Convert to fraction form
    319,284.33/440,581.23 = 196,757.66/x
  3. Step 3: Cross multiply
    319,284.33x = 440,581.23 × 196,757.66
  4. Step 4: Simplify right side
    319,284.33x = 86,687,729,651.82
  5. Step 5: Solve for x
    x = 86,687,729,651.82/319,284.33
  6. Step 6: Final answer
    x = 271,506.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.