Home / 325,984.12-449,869.77-189,996.16

Finding the Fourth Proportional to 325,984.12, 449,869.77 and 189,996.16

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Solution

The fourth proportional to 325,984.12, 449,869.77 and 189,996.16 is: 262,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,984.12 : 449,869.77 = 189,996.16 : x
  2. Step 2: Convert to fraction form
    325,984.12/449,869.77 = 189,996.16/x
  3. Step 3: Cross multiply
    325,984.12x = 449,869.77 × 189,996.16
  4. Step 4: Simplify right side
    325,984.12x = 85,473,527,788.02
  5. Step 5: Solve for x
    x = 85,473,527,788.02/325,984.12
  6. Step 6: Final answer
    x = 262,201.51

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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.