Home / 199,995.82-276,063.69-115,146.70

Finding the Fourth Proportional to 199,995.82, 276,063.69 and 115,146.70

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Solution

The fourth proportional to 199,995.82, 276,063.69 and 115,146.70 is: 158,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,995.82 : 276,063.69 = 115,146.70 : x
  2. Step 2: Convert to fraction form
    199,995.82/276,063.69 = 115,146.70/x
  3. Step 3: Cross multiply
    199,995.82x = 276,063.69 × 115,146.70
  4. Step 4: Simplify right side
    199,995.82x = 31,787,822,634.96
  5. Step 5: Solve for x
    x = 31,787,822,634.96/199,995.82
  6. Step 6: Final answer
    x = 158,942.44

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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.