Home / 198,491.11-273,920.23-107,848.60

Finding the Fourth Proportional to 198,491.11, 273,920.23 and 107,848.60

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Solution

The fourth proportional to 198,491.11, 273,920.23 and 107,848.60 is: 148,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,491.11 : 273,920.23 = 107,848.60 : x
  2. Step 2: Convert to fraction form
    198,491.11/273,920.23 = 107,848.60/x
  3. Step 3: Cross multiply
    198,491.11x = 273,920.23 × 107,848.60
  4. Step 4: Simplify right side
    198,491.11x = 29,541,913,317.18
  5. Step 5: Solve for x
    x = 29,541,913,317.18/198,491.11
  6. Step 6: Final answer
    x = 148,832.43

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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.