Home / 231,682.09-319,626.27-140,965.33

Finding the Fourth Proportional to 231,682.09, 319,626.27 and 140,965.33

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Solution

The fourth proportional to 231,682.09, 319,626.27 and 140,965.33 is: 194,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,682.09 : 319,626.27 = 140,965.33 : x
  2. Step 2: Convert to fraction form
    231,682.09/319,626.27 = 140,965.33/x
  3. Step 3: Cross multiply
    231,682.09x = 319,626.27 × 140,965.33
  4. Step 4: Simplify right side
    231,682.09x = 45,056,222,627.22
  5. Step 5: Solve for x
    x = 45,056,222,627.22/231,682.09
  6. Step 6: Final answer
    x = 194,474.34

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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.