Home / 327,455.28-451,722.94-191,400.35

Finding the Fourth Proportional to 327,455.28, 451,722.94 and 191,400.35

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Solution

The fourth proportional to 327,455.28, 451,722.94 and 191,400.35 is: 264,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,455.28 : 451,722.94 = 191,400.35 : x
  2. Step 2: Convert to fraction form
    327,455.28/451,722.94 = 191,400.35/x
  3. Step 3: Cross multiply
    327,455.28x = 451,722.94 × 191,400.35
  4. Step 4: Simplify right side
    327,455.28x = 86,459,926,081.91
  5. Step 5: Solve for x
    x = 86,459,926,081.91/327,455.28
  6. Step 6: Final answer
    x = 264,035.83

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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.