Home / 198,396.61-273,789.30-107,754.35

Finding the Fourth Proportional to 198,396.61, 273,789.30 and 107,754.35

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Solution

The fourth proportional to 198,396.61, 273,789.30 and 107,754.35 is: 148,702.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,396.61 : 273,789.30 = 107,754.35 : x
  2. Step 2: Convert to fraction form
    198,396.61/273,789.30 = 107,754.35/x
  3. Step 3: Cross multiply
    198,396.61x = 273,789.30 × 107,754.35
  4. Step 4: Simplify right side
    198,396.61x = 29,501,986,487.47
  5. Step 5: Solve for x
    x = 29,501,986,487.47/198,396.61
  6. Step 6: Final answer
    x = 148,702.07

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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.