Home / 133,853.83-200,769.81-45,105.37

Finding the Fourth Proportional to 133,853.83, 200,769.81 and 45,105.37

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Solution

The fourth proportional to 133,853.83, 200,769.81 and 45,105.37 is: 67,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,853.83 : 200,769.81 = 45,105.37 : x
  2. Step 2: Convert to fraction form
    133,853.83/200,769.81 = 45,105.37/x
  3. Step 3: Cross multiply
    133,853.83x = 200,769.81 × 45,105.37
  4. Step 4: Simplify right side
    133,853.83x = 9,055,796,564.88
  5. Step 5: Solve for x
    x = 9,055,796,564.88/133,853.83
  6. Step 6: Final answer
    x = 67,654.37

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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.