Home / 325,540.98-449,088.06-210,786.66

Finding the Fourth Proportional to 325,540.98, 449,088.06 and 210,786.66

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Solution

The fourth proportional to 325,540.98, 449,088.06 and 210,786.66 is: 290,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,540.98 : 449,088.06 = 210,786.66 : x
  2. Step 2: Convert to fraction form
    325,540.98/449,088.06 = 210,786.66/x
  3. Step 3: Cross multiply
    325,540.98x = 449,088.06 × 210,786.66
  4. Step 4: Simplify right side
    325,540.98x = 94,661,772,213.28
  5. Step 5: Solve for x
    x = 94,661,772,213.28/325,540.98
  6. Step 6: Final answer
    x = 290,782.97

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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.