Home / 279,528.25-419,314.26-92,539.75

Finding the Fourth Proportional to 279,528.25, 419,314.26 and 92,539.75

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Solution

The fourth proportional to 279,528.25, 419,314.26 and 92,539.75 is: 138,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,528.25 : 419,314.26 = 92,539.75 : x
  2. Step 2: Convert to fraction form
    279,528.25/419,314.26 = 92,539.75/x
  3. Step 3: Cross multiply
    279,528.25x = 419,314.26 × 92,539.75
  4. Step 4: Simplify right side
    279,528.25x = 38,803,236,791.84
  5. Step 5: Solve for x
    x = 38,803,236,791.84/279,528.25
  6. Step 6: Final answer
    x = 138,816.87

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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.