Home / 200,519.80-276,717.38-109,875.02

Finding the Fourth Proportional to 200,519.80, 276,717.38 and 109,875.02

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Solution

The fourth proportional to 200,519.80, 276,717.38 and 109,875.02 is: 151,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,519.80 : 276,717.38 = 109,875.02 : x
  2. Step 2: Convert to fraction form
    200,519.80/276,717.38 = 109,875.02/x
  3. Step 3: Cross multiply
    200,519.80x = 276,717.38 × 109,875.02
  4. Step 4: Simplify right side
    200,519.80x = 30,404,327,661.85
  5. Step 5: Solve for x
    x = 30,404,327,661.85/200,519.80
  6. Step 6: Final answer
    x = 151,627.56

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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.