Home / 200,448.09-276,614.87-109,805.85

Finding the Fourth Proportional to 200,448.09, 276,614.87 and 109,805.85

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Solution

The fourth proportional to 200,448.09, 276,614.87 and 109,805.85 is: 151,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,448.09 : 276,614.87 = 109,805.85 : x
  2. Step 2: Convert to fraction form
    200,448.09/276,614.87 = 109,805.85/x
  3. Step 3: Cross multiply
    200,448.09x = 276,614.87 × 109,805.85
  4. Step 4: Simplify right side
    200,448.09x = 30,373,930,373.96
  5. Step 5: Solve for x
    x = 30,373,930,373.96/200,448.09
  6. Step 6: Final answer
    x = 151,530.16

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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.