Home / 231,255.05-319,183.47-140,591.84

Finding the Fourth Proportional to 231,255.05, 319,183.47 and 140,591.84

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Solution

The fourth proportional to 231,255.05, 319,183.47 and 140,591.84 is: 194,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,255.05 : 319,183.47 = 140,591.84 : x
  2. Step 2: Convert to fraction form
    231,255.05/319,183.47 = 140,591.84/x
  3. Step 3: Cross multiply
    231,255.05x = 319,183.47 × 140,591.84
  4. Step 4: Simplify right side
    231,255.05x = 44,874,589,748.97
  5. Step 5: Solve for x
    x = 44,874,589,748.97/231,255.05
  6. Step 6: Final answer
    x = 194,048.05

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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.