Home / 198,681.52-274,180.48-109,257.52

Finding the Fourth Proportional to 198,681.52, 274,180.48 and 109,257.52

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Solution

The fourth proportional to 198,681.52, 274,180.48 and 109,257.52 is: 150,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,681.52 : 274,180.48 = 109,257.52 : x
  2. Step 2: Convert to fraction form
    198,681.52/274,180.48 = 109,257.52/x
  3. Step 3: Cross multiply
    198,681.52x = 274,180.48 × 109,257.52
  4. Step 4: Simplify right side
    198,681.52x = 29,956,279,277.21
  5. Step 5: Solve for x
    x = 29,956,279,277.21/198,681.52
  6. Step 6: Final answer
    x = 150,775.37

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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.