Home / 200,321.24-276,432.81-109,659.84

Finding the Fourth Proportional to 200,321.24, 276,432.81 and 109,659.84

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Solution

The fourth proportional to 200,321.24, 276,432.81 and 109,659.84 is: 151,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,321.24 : 276,432.81 = 109,659.84 : x
  2. Step 2: Convert to fraction form
    200,321.24/276,432.81 = 109,659.84/x
  3. Step 3: Cross multiply
    200,321.24x = 276,432.81 × 109,659.84
  4. Step 4: Simplify right side
    200,321.24x = 30,313,577,304.13
  5. Step 5: Solve for x
    x = 30,313,577,304.13/200,321.24
  6. Step 6: Final answer
    x = 151,324.83

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1.5x scale

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.