Home / 285,008.22-393,246.54-170,268.66

Finding the Fourth Proportional to 285,008.22, 393,246.54 and 170,268.66

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Solution

The fourth proportional to 285,008.22, 393,246.54 and 170,268.66 is: 234,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,008.22 : 393,246.54 = 170,268.66 : x
  2. Step 2: Convert to fraction form
    285,008.22/393,246.54 = 170,268.66/x
  3. Step 3: Cross multiply
    285,008.22x = 393,246.54 × 170,268.66
  4. Step 4: Simplify right side
    285,008.22x = 66,957,561,415.44
  5. Step 5: Solve for x
    x = 66,957,561,415.44/285,008.22
  6. Step 6: Final answer
    x = 234,932.04

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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.