Home / 223,427.62-335,035.85-81,173.70

Finding the Fourth Proportional to 223,427.62, 335,035.85 and 81,173.70

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Solution

The fourth proportional to 223,427.62, 335,035.85 and 81,173.70 is: 121,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,427.62 : 335,035.85 = 81,173.70 : x
  2. Step 2: Convert to fraction form
    223,427.62/335,035.85 = 81,173.70/x
  3. Step 3: Cross multiply
    223,427.62x = 335,035.85 × 81,173.70
  4. Step 4: Simplify right side
    223,427.62x = 27,196,099,171.28
  5. Step 5: Solve for x
    x = 27,196,099,171.28/223,427.62
  6. Step 6: Final answer
    x = 121,722.19

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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.