Home / 325,722.12-449,460.23-189,727.62

Finding the Fourth Proportional to 325,722.12, 449,460.23 and 189,727.62

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Solution

The fourth proportional to 325,722.12, 449,460.23 and 189,727.62 is: 261,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,722.12 : 449,460.23 = 189,727.62 : x
  2. Step 2: Convert to fraction form
    325,722.12/449,460.23 = 189,727.62/x
  3. Step 3: Cross multiply
    325,722.12x = 449,460.23 × 189,727.62
  4. Step 4: Simplify right side
    325,722.12x = 85,275,018,773.91
  5. Step 5: Solve for x
    x = 85,275,018,773.91/325,722.12
  6. Step 6: Final answer
    x = 261,802.97

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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.