Home / 199,997.56-276,025.62-115,113.88

Finding the Fourth Proportional to 199,997.56, 276,025.62 and 115,113.88

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Solution

The fourth proportional to 199,997.56, 276,025.62 and 115,113.88 is: 158,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,997.56 : 276,025.62 = 115,113.88 : x
  2. Step 2: Convert to fraction form
    199,997.56/276,025.62 = 115,113.88/x
  3. Step 3: Cross multiply
    199,997.56x = 276,025.62 × 115,113.88
  4. Step 4: Simplify right side
    199,997.56x = 31,774,380,097.61
  5. Step 5: Solve for x
    x = 31,774,380,097.61/199,997.56
  6. Step 6: Final answer
    x = 158,873.84

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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.