Home / 199,991.18-276,004.87-113,976.47

Finding the Fourth Proportional to 199,991.18, 276,004.87 and 113,976.47

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Solution

The fourth proportional to 199,991.18, 276,004.87 and 113,976.47 is: 157,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,991.18 : 276,004.87 = 113,976.47 : x
  2. Step 2: Convert to fraction form
    199,991.18/276,004.87 = 113,976.47/x
  3. Step 3: Cross multiply
    199,991.18x = 276,004.87 × 113,976.47
  4. Step 4: Simplify right side
    199,991.18x = 31,458,061,190.48
  5. Step 5: Solve for x
    x = 31,458,061,190.48/199,991.18
  6. Step 6: Final answer
    x = 157,297.24

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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.