Home / 151,550.72-227,391.64-81,348.08

Finding the Fourth Proportional to 151,550.72, 227,391.64 and 81,348.08

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Solution

The fourth proportional to 151,550.72, 227,391.64 and 81,348.08 is: 122,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,550.72 : 227,391.64 = 81,348.08 : x
  2. Step 2: Convert to fraction form
    151,550.72/227,391.64 = 81,348.08/x
  3. Step 3: Cross multiply
    151,550.72x = 227,391.64 × 81,348.08
  4. Step 4: Simplify right side
    151,550.72x = 18,497,873,322.05
  5. Step 5: Solve for x
    x = 18,497,873,322.05/151,550.72
  6. Step 6: Final answer
    x = 122,057.31

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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.