Home / 198,856.96-274,426.24-109,431.04

Finding the Fourth Proportional to 198,856.96, 274,426.24 and 109,431.04

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Solution

The fourth proportional to 198,856.96, 274,426.24 and 109,431.04 is: 151,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,856.96 : 274,426.24 = 109,431.04 : x
  2. Step 2: Convert to fraction form
    198,856.96/274,426.24 = 109,431.04/x
  3. Step 3: Cross multiply
    198,856.96x = 274,426.24 × 109,431.04
  4. Step 4: Simplify right side
    198,856.96x = 30,030,748,846.49
  5. Step 5: Solve for x
    x = 30,030,748,846.49/198,856.96
  6. Step 6: Final answer
    x = 151,016.84

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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.