Home / 327,051.28-451,454.12-191,129.52

Finding the Fourth Proportional to 327,051.28, 451,454.12 and 191,129.52

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Solution

The fourth proportional to 327,051.28, 451,454.12 and 191,129.52 is: 263,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,051.28 : 451,454.12 = 191,129.52 : x
  2. Step 2: Convert to fraction form
    327,051.28/451,454.12 = 191,129.52/x
  3. Step 3: Cross multiply
    327,051.28x = 451,454.12 × 191,129.52
  4. Step 4: Simplify right side
    327,051.28x = 86,286,209,257.62
  5. Step 5: Solve for x
    x = 86,286,209,257.62/327,051.28
  6. Step 6: Final answer
    x = 263,830.83

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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.