Home / 198,862.62-274,427.56-109,438.62

Finding the Fourth Proportional to 198,862.62, 274,427.56 and 109,438.62

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Solution

The fourth proportional to 198,862.62, 274,427.56 and 109,438.62 is: 151,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,862.62 : 274,427.56 = 109,438.62 : x
  2. Step 2: Convert to fraction form
    198,862.62/274,427.56 = 109,438.62/x
  3. Step 3: Cross multiply
    198,862.62x = 274,427.56 × 109,438.62
  4. Step 4: Simplify right side
    198,862.62x = 30,032,973,456.37
  5. Step 5: Solve for x
    x = 30,032,973,456.37/198,862.62
  6. Step 6: Final answer
    x = 151,023.72

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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.