Home / 327,579.32-491,371.71-102,934.77

Finding the Fourth Proportional to 327,579.32, 491,371.71 and 102,934.77

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Solution

The fourth proportional to 327,579.32, 491,371.71 and 102,934.77 is: 154,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,579.32 : 491,371.71 = 102,934.77 : x
  2. Step 2: Convert to fraction form
    327,579.32/491,371.71 = 102,934.77/x
  3. Step 3: Cross multiply
    327,579.32x = 491,371.71 × 102,934.77
  4. Step 4: Simplify right side
    327,579.32x = 50,579,233,953.36
  5. Step 5: Solve for x
    x = 50,579,233,953.36/327,579.32
  6. Step 6: Final answer
    x = 154,403.02

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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.