Home / 200,474.24-276,644.57-109,830.65

Finding the Fourth Proportional to 200,474.24, 276,644.57 and 109,830.65

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Solution

The fourth proportional to 200,474.24, 276,644.57 and 109,830.65 is: 151,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,474.24 : 276,644.57 = 109,830.65 : x
  2. Step 2: Convert to fraction form
    200,474.24/276,644.57 = 109,830.65/x
  3. Step 3: Cross multiply
    200,474.24x = 276,644.57 × 109,830.65
  4. Step 4: Simplify right side
    200,474.24x = 30,384,051,009.69
  5. Step 5: Solve for x
    x = 30,384,051,009.69/200,474.24
  6. Step 6: Final answer
    x = 151,560.88

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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.