Home / 279,723.54-419,582.22-167,435.10

Finding the Fourth Proportional to 279,723.54, 419,582.22 and 167,435.10

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Solution

The fourth proportional to 279,723.54, 419,582.22 and 167,435.10 is: 251,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,723.54 : 419,582.22 = 167,435.10 : x
  2. Step 2: Convert to fraction form
    279,723.54/419,582.22 = 167,435.10/x
  3. Step 3: Cross multiply
    279,723.54x = 419,582.22 × 167,435.10
  4. Step 4: Simplify right side
    279,723.54x = 70,252,790,963.92
  5. Step 5: Solve for x
    x = 70,252,790,963.92/279,723.54
  6. Step 6: Final answer
    x = 251,150.80

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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.