Home / 123,949.08-170,853.44-113,651.96

Finding the Fourth Proportional to 123,949.08, 170,853.44 and 113,651.96

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Solution

The fourth proportional to 123,949.08, 170,853.44 and 113,651.96 is: 156,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,949.08 : 170,853.44 = 113,651.96 : x
  2. Step 2: Convert to fraction form
    123,949.08/170,853.44 = 113,651.96/x
  3. Step 3: Cross multiply
    123,949.08x = 170,853.44 × 113,651.96
  4. Step 4: Simplify right side
    123,949.08x = 19,417,826,906.22
  5. Step 5: Solve for x
    x = 19,417,826,906.22/123,949.08
  6. Step 6: Final answer
    x = 156,659.71

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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.