Home / 198,315.26-273,673.53-107,669.42

Finding the Fourth Proportional to 198,315.26, 273,673.53 and 107,669.42

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Solution

The fourth proportional to 198,315.26, 273,673.53 and 107,669.42 is: 148,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,315.26 : 273,673.53 = 107,669.42 : x
  2. Step 2: Convert to fraction form
    198,315.26/273,673.53 = 107,669.42/x
  3. Step 3: Cross multiply
    198,315.26x = 273,673.53 × 107,669.42
  4. Step 4: Simplify right side
    198,315.26x = 29,466,268,876.09
  5. Step 5: Solve for x
    x = 29,466,268,876.09/198,315.26
  6. Step 6: Final answer
    x = 148,582.97

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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.