Home / 279,414.41-419,117.46-69,052.34

Finding the Fourth Proportional to 279,414.41, 419,117.46 and 69,052.34

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Solution

The fourth proportional to 279,414.41, 419,117.46 and 69,052.34 is: 103,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,414.41 : 419,117.46 = 69,052.34 : x
  2. Step 2: Convert to fraction form
    279,414.41/419,117.46 = 69,052.34/x
  3. Step 3: Cross multiply
    279,414.41x = 419,117.46 × 69,052.34
  4. Step 4: Simplify right side
    279,414.41x = 28,941,039,252.27
  5. Step 5: Solve for x
    x = 28,941,039,252.27/279,414.41
  6. Step 6: Final answer
    x = 103,577.48

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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.