Home / 198,323.01-273,687.66-107,679.96

Finding the Fourth Proportional to 198,323.01, 273,687.66 and 107,679.96

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Solution

The fourth proportional to 198,323.01, 273,687.66 and 107,679.96 is: 148,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,323.01 : 273,687.66 = 107,679.96 : x
  2. Step 2: Convert to fraction form
    198,323.01/273,687.66 = 107,679.96/x
  3. Step 3: Cross multiply
    198,323.01x = 273,687.66 × 107,679.96
  4. Step 4: Simplify right side
    198,323.01x = 29,470,676,281.29
  5. Step 5: Solve for x
    x = 29,470,676,281.29/198,323.01
  6. Step 6: Final answer
    x = 148,599.38

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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.