Home / 326,070.72-449,982.18-196,991.19

Finding the Fourth Proportional to 326,070.72, 449,982.18 and 196,991.19

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Solution

The fourth proportional to 326,070.72, 449,982.18 and 196,991.19 is: 271,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,070.72 : 449,982.18 = 196,991.19 : x
  2. Step 2: Convert to fraction form
    326,070.72/449,982.18 = 196,991.19/x
  3. Step 3: Cross multiply
    326,070.72x = 449,982.18 × 196,991.19
  4. Step 4: Simplify right side
    326,070.72x = 88,642,525,116.99
  5. Step 5: Solve for x
    x = 88,642,525,116.99/326,070.72
  6. Step 6: Final answer
    x = 271,850.61

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1.5x scale

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.