Home / 200,516.79-276,713.24-109,872.02

Finding the Fourth Proportional to 200,516.79, 276,713.24 and 109,872.02

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Solution

The fourth proportional to 200,516.79, 276,713.24 and 109,872.02 is: 151,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,516.79 : 276,713.24 = 109,872.02 : x
  2. Step 2: Convert to fraction form
    200,516.79/276,713.24 = 109,872.02/x
  3. Step 3: Cross multiply
    200,516.79x = 276,713.24 × 109,872.02
  4. Step 4: Simplify right side
    200,516.79x = 30,403,042,639.54
  5. Step 5: Solve for x
    x = 30,403,042,639.54/200,516.79
  6. Step 6: Final answer
    x = 151,623.43

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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.