Home / 320,336.39-442,073.44-177,105.66

Finding the Fourth Proportional to 320,336.39, 442,073.44 and 177,105.66

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Solution

The fourth proportional to 320,336.39, 442,073.44 and 177,105.66 is: 244,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,336.39 : 442,073.44 = 177,105.66 : x
  2. Step 2: Convert to fraction form
    320,336.39/442,073.44 = 177,105.66/x
  3. Step 3: Cross multiply
    320,336.39x = 442,073.44 × 177,105.66
  4. Step 4: Simplify right side
    320,336.39x = 78,293,708,359.67
  5. Step 5: Solve for x
    x = 78,293,708,359.67/320,336.39
  6. Step 6: Final answer
    x = 244,410.91

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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.