Home / 279,741.28-419,608.68-167,452.88

Finding the Fourth Proportional to 279,741.28, 419,608.68 and 167,452.88

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Solution

The fourth proportional to 279,741.28, 419,608.68 and 167,452.88 is: 251,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,741.28 : 419,608.68 = 167,452.88 : x
  2. Step 2: Convert to fraction form
    279,741.28/419,608.68 = 167,452.88/x
  3. Step 3: Cross multiply
    279,741.28x = 419,608.68 × 167,452.88
  4. Step 4: Simplify right side
    279,741.28x = 70,264,681,939.00
  5. Step 5: Solve for x
    x = 70,264,681,939.00/279,741.28
  6. Step 6: Final answer
    x = 251,177.38

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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.