Home / 133,001.56-199,575.78-54,171.28

Finding the Fourth Proportional to 133,001.56, 199,575.78 and 54,171.28

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Solution

The fourth proportional to 133,001.56, 199,575.78 and 54,171.28 is: 81,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,001.56 : 199,575.78 = 54,171.28 : x
  2. Step 2: Convert to fraction form
    133,001.56/199,575.78 = 54,171.28/x
  3. Step 3: Cross multiply
    133,001.56x = 199,575.78 × 54,171.28
  4. Step 4: Simplify right side
    133,001.56x = 10,811,275,459.60
  5. Step 5: Solve for x
    x = 10,811,275,459.60/133,001.56
  6. Step 6: Final answer
    x = 81,286.83

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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.