Home / 269,832.04-404,711.13-80,321.66

Finding the Fourth Proportional to 269,832.04, 404,711.13 and 80,321.66

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Solution

The fourth proportional to 269,832.04, 404,711.13 and 80,321.66 is: 120,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,832.04 : 404,711.13 = 80,321.66 : x
  2. Step 2: Convert to fraction form
    269,832.04/404,711.13 = 80,321.66/x
  3. Step 3: Cross multiply
    269,832.04x = 404,711.13 × 80,321.66
  4. Step 4: Simplify right side
    269,832.04x = 32,507,069,782.08
  5. Step 5: Solve for x
    x = 32,507,069,782.08/269,832.04
  6. Step 6: Final answer
    x = 120,471.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.