Home / 319,583.83-441,185.36-198,764.07

Finding the Fourth Proportional to 319,583.83, 441,185.36 and 198,764.07

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Solution

The fourth proportional to 319,583.83, 441,185.36 and 198,764.07 is: 274,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,583.83 : 441,185.36 = 198,764.07 : x
  2. Step 2: Convert to fraction form
    319,583.83/441,185.36 = 198,764.07/x
  3. Step 3: Cross multiply
    319,583.83x = 441,185.36 × 198,764.07
  4. Step 4: Simplify right side
    319,583.83x = 87,691,797,778.02
  5. Step 5: Solve for x
    x = 87,691,797,778.02/319,583.83
  6. Step 6: Final answer
    x = 274,393.73

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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.