Home / 325,384.43-449,084.25-223,326.05

Finding the Fourth Proportional to 325,384.43, 449,084.25 and 223,326.05

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Solution

The fourth proportional to 325,384.43, 449,084.25 and 223,326.05 is: 308,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,384.43 : 449,084.25 = 223,326.05 : x
  2. Step 2: Convert to fraction form
    325,384.43/449,084.25 = 223,326.05/x
  3. Step 3: Cross multiply
    325,384.43x = 449,084.25 × 223,326.05
  4. Step 4: Simplify right side
    325,384.43x = 100,292,209,424.29
  5. Step 5: Solve for x
    x = 100,292,209,424.29/325,384.43
  6. Step 6: Final answer
    x = 308,226.83

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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.