Home / 200,623.78-276,860.19-109,983.52

Finding the Fourth Proportional to 200,623.78, 276,860.19 and 109,983.52

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Solution

The fourth proportional to 200,623.78, 276,860.19 and 109,983.52 is: 151,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,623.78 : 276,860.19 = 109,983.52 : x
  2. Step 2: Convert to fraction form
    200,623.78/276,860.19 = 109,983.52/x
  3. Step 3: Cross multiply
    200,623.78x = 276,860.19 × 109,983.52
  4. Step 4: Simplify right side
    200,623.78x = 30,450,058,244.07
  5. Step 5: Solve for x
    x = 30,450,058,244.07/200,623.78
  6. Step 6: Final answer
    x = 151,776.91

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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.