Home / 323,979.88-485,974.14-113,623.96

Finding the Fourth Proportional to 323,979.88, 485,974.14 and 113,623.96

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Solution

The fourth proportional to 323,979.88, 485,974.14 and 113,623.96 is: 170,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,979.88 : 485,974.14 = 113,623.96 : x
  2. Step 2: Convert to fraction form
    323,979.88/485,974.14 = 113,623.96/x
  3. Step 3: Cross multiply
    323,979.88x = 485,974.14 × 113,623.96
  4. Step 4: Simplify right side
    323,979.88x = 55,218,306,244.39
  5. Step 5: Solve for x
    x = 55,218,306,244.39/323,979.88
  6. Step 6: Final answer
    x = 170,437.46

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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.