Home / 231,464.43-319,602.11-177,664.23

Finding the Fourth Proportional to 231,464.43, 319,602.11 and 177,664.23

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Solution

The fourth proportional to 231,464.43, 319,602.11 and 177,664.23 is: 245,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,464.43 : 319,602.11 = 177,664.23 : x
  2. Step 2: Convert to fraction form
    231,464.43/319,602.11 = 177,664.23/x
  3. Step 3: Cross multiply
    231,464.43x = 319,602.11 × 177,664.23
  4. Step 4: Simplify right side
    231,464.43x = 56,781,861,891.20
  5. Step 5: Solve for x
    x = 56,781,861,891.20/231,464.43
  6. Step 6: Final answer
    x = 245,315.71

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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.