Home / 165,072.43-227,796.42-89,620.93

Finding the Fourth Proportional to 165,072.43, 227,796.42 and 89,620.93

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Solution

The fourth proportional to 165,072.43, 227,796.42 and 89,620.93 is: 123,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,072.43 : 227,796.42 = 89,620.93 : x
  2. Step 2: Convert to fraction form
    165,072.43/227,796.42 = 89,620.93/x
  3. Step 3: Cross multiply
    165,072.43x = 227,796.42 × 89,620.93
  4. Step 4: Simplify right side
    165,072.43x = 20,415,327,011.07
  5. Step 5: Solve for x
    x = 20,415,327,011.07/165,072.43
  6. Step 6: Final answer
    x = 123,674.97

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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.