Home / 320,844.66-442,760.22-177,601.62

Finding the Fourth Proportional to 320,844.66, 442,760.22 and 177,601.62

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Solution

The fourth proportional to 320,844.66, 442,760.22 and 177,601.62 is: 245,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,844.66 : 442,760.22 = 177,601.62 : x
  2. Step 2: Convert to fraction form
    320,844.66/442,760.22 = 177,601.62/x
  3. Step 3: Cross multiply
    320,844.66x = 442,760.22 × 177,601.62
  4. Step 4: Simplify right side
    320,844.66x = 78,634,932,343.56
  5. Step 5: Solve for x
    x = 78,634,932,343.56/320,844.66
  6. Step 6: Final answer
    x = 245,087.24

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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.