Home / 326,063.21-449,971.82-196,983.74

Finding the Fourth Proportional to 326,063.21, 449,971.82 and 196,983.74

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Solution

The fourth proportional to 326,063.21, 449,971.82 and 196,983.74 is: 271,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,063.21 : 449,971.82 = 196,983.74 : x
  2. Step 2: Convert to fraction form
    326,063.21/449,971.82 = 196,983.74/x
  3. Step 3: Cross multiply
    326,063.21x = 449,971.82 × 196,983.74
  4. Step 4: Simplify right side
    326,063.21x = 88,637,128,763.43
  5. Step 5: Solve for x
    x = 88,637,128,763.43/326,063.21
  6. Step 6: Final answer
    x = 271,840.33

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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.