Home / 320,633.43-442,435.24-184,711.38

Finding the Fourth Proportional to 320,633.43, 442,435.24 and 184,711.38

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Solution

The fourth proportional to 320,633.43, 442,435.24 and 184,711.38 is: 254,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,633.43 : 442,435.24 = 184,711.38 : x
  2. Step 2: Convert to fraction form
    320,633.43/442,435.24 = 184,711.38/x
  3. Step 3: Cross multiply
    320,633.43x = 442,435.24 × 184,711.38
  4. Step 4: Simplify right side
    320,633.43x = 81,722,823,279.25
  5. Step 5: Solve for x
    x = 81,722,823,279.25/320,633.43
  6. Step 6: Final answer
    x = 254,879.30

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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.