Home / 199,679.14-275,581.31-113,658.96

Finding the Fourth Proportional to 199,679.14, 275,581.31 and 113,658.96

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Solution

The fourth proportional to 199,679.14, 275,581.31 and 113,658.96 is: 156,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,679.14 : 275,581.31 = 113,658.96 : x
  2. Step 2: Convert to fraction form
    199,679.14/275,581.31 = 113,658.96/x
  3. Step 3: Cross multiply
    199,679.14x = 275,581.31 × 113,658.96
  4. Step 4: Simplify right side
    199,679.14x = 31,322,284,632.31
  5. Step 5: Solve for x
    x = 31,322,284,632.31/199,679.14
  6. Step 6: Final answer
    x = 156,863.08

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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.