Home / 326,822.64-451,064.34-199,571.64

Finding the Fourth Proportional to 326,822.64, 451,064.34 and 199,571.64

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Solution

The fourth proportional to 326,822.64, 451,064.34 and 199,571.64 is: 275,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,822.64 : 451,064.34 = 199,571.64 : x
  2. Step 2: Convert to fraction form
    326,822.64/451,064.34 = 199,571.64/x
  3. Step 3: Cross multiply
    326,822.64x = 451,064.34 × 199,571.64
  4. Step 4: Simplify right side
    326,822.64x = 90,019,650,079.32
  5. Step 5: Solve for x
    x = 90,019,650,079.32/326,822.64
  6. Step 6: Final answer
    x = 275,438.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.