Home / 327,159.05-451,503.27-199,858.64

Finding the Fourth Proportional to 327,159.05, 451,503.27 and 199,858.64

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Solution

The fourth proportional to 327,159.05, 451,503.27 and 199,858.64 is: 275,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,159.05 : 451,503.27 = 199,858.64 : x
  2. Step 2: Convert to fraction form
    327,159.05/451,503.27 = 199,858.64/x
  3. Step 3: Cross multiply
    327,159.05x = 451,503.27 × 199,858.64
  4. Step 4: Simplify right side
    327,159.05x = 90,236,827,240.24
  5. Step 5: Solve for x
    x = 90,236,827,240.24/327,159.05
  6. Step 6: Final answer
    x = 275,819.45

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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.