Home / 198,437.84-273,848.52-109,019.60

Finding the Fourth Proportional to 198,437.84, 273,848.52 and 109,019.60

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Solution

The fourth proportional to 198,437.84, 273,848.52 and 109,019.60 is: 150,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,437.84 : 273,848.52 = 109,019.60 : x
  2. Step 2: Convert to fraction form
    198,437.84/273,848.52 = 109,019.60/x
  3. Step 3: Cross multiply
    198,437.84x = 273,848.52 × 109,019.60
  4. Step 4: Simplify right side
    198,437.84x = 29,854,856,110.99
  5. Step 5: Solve for x
    x = 29,854,856,110.99/198,437.84
  6. Step 6: Final answer
    x = 150,449.41

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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.