Home / 279,601.56-419,407.20-92,617.92

Finding the Fourth Proportional to 279,601.56, 419,407.20 and 92,617.92

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Solution

The fourth proportional to 279,601.56, 419,407.20 and 92,617.92 is: 138,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,601.56 : 419,407.20 = 92,617.92 : x
  2. Step 2: Convert to fraction form
    279,601.56/419,407.20 = 92,617.92/x
  3. Step 3: Cross multiply
    279,601.56x = 419,407.20 × 92,617.92
  4. Step 4: Simplify right side
    279,601.56x = 38,844,622,497.02
  5. Step 5: Solve for x
    x = 38,844,622,497.02/279,601.56
  6. Step 6: Final answer
    x = 138,928.49

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1.5x scale

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.