Home / 198,517.32-273,955.64-107,873.28

Finding the Fourth Proportional to 198,517.32, 273,955.64 and 107,873.28

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Solution

The fourth proportional to 198,517.32, 273,955.64 and 107,873.28 is: 148,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,517.32 : 273,955.64 = 107,873.28 : x
  2. Step 2: Convert to fraction form
    198,517.32/273,955.64 = 107,873.28/x
  3. Step 3: Cross multiply
    198,517.32x = 273,955.64 × 107,873.28
  4. Step 4: Simplify right side
    198,517.32x = 29,552,492,921.93
  5. Step 5: Solve for x
    x = 29,552,492,921.93/198,517.32
  6. Step 6: Final answer
    x = 148,866.07

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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.