Home / 327,335.20-451,654.84-191,342.86

Finding the Fourth Proportional to 327,335.20, 451,654.84 and 191,342.86

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Solution

The fourth proportional to 327,335.20, 451,654.84 and 191,342.86 is: 264,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,335.20 : 451,654.84 = 191,342.86 : x
  2. Step 2: Convert to fraction form
    327,335.20/451,654.84 = 191,342.86/x
  3. Step 3: Cross multiply
    327,335.20x = 451,654.84 × 191,342.86
  4. Step 4: Simplify right side
    327,335.20x = 86,420,927,928.48
  5. Step 5: Solve for x
    x = 86,420,927,928.48/327,335.20
  6. Step 6: Final answer
    x = 264,013.55

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1.5x scale

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.