Home / 163,785.43-226,147.07-161,169.73

Finding the Fourth Proportional to 163,785.43, 226,147.07 and 161,169.73

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Solution

The fourth proportional to 163,785.43, 226,147.07 and 161,169.73 is: 222,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,785.43 : 226,147.07 = 161,169.73 : x
  2. Step 2: Convert to fraction form
    163,785.43/226,147.07 = 161,169.73/x
  3. Step 3: Cross multiply
    163,785.43x = 226,147.07 × 161,169.73
  4. Step 4: Simplify right side
    163,785.43x = 36,448,060,275.61
  5. Step 5: Solve for x
    x = 36,448,060,275.61/163,785.43
  6. Step 6: Final answer
    x = 222,535.43

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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.