Home / 200,836.72-301,062.77-74,443.04

Finding the Fourth Proportional to 200,836.72, 301,062.77 and 74,443.04

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Solution

The fourth proportional to 200,836.72, 301,062.77 and 74,443.04 is: 111,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,836.72 : 301,062.77 = 74,443.04 : x
  2. Step 2: Convert to fraction form
    200,836.72/301,062.77 = 74,443.04/x
  3. Step 3: Cross multiply
    200,836.72x = 301,062.77 × 74,443.04
  4. Step 4: Simplify right side
    200,836.72x = 22,412,027,829.62
  5. Step 5: Solve for x
    x = 22,412,027,829.62/200,836.72
  6. Step 6: Final answer
    x = 111,593.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.