Home / 198,253.40-273,589.96-107,609.38

Finding the Fourth Proportional to 198,253.40, 273,589.96 and 107,609.38

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Solution

The fourth proportional to 198,253.40, 273,589.96 and 107,609.38 is: 148,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,253.40 : 273,589.96 = 107,609.38 : x
  2. Step 2: Convert to fraction form
    198,253.40/273,589.96 = 107,609.38/x
  3. Step 3: Cross multiply
    198,253.40x = 273,589.96 × 107,609.38
  4. Step 4: Simplify right side
    198,253.40x = 29,440,845,969.82
  5. Step 5: Solve for x
    x = 29,440,845,969.82/198,253.40
  6. Step 6: Final answer
    x = 148,501.09

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1.5x scale

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.