Home / 231,256.05-319,184.85-140,592.84

Finding the Fourth Proportional to 231,256.05, 319,184.85 and 140,592.84

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Solution

The fourth proportional to 231,256.05, 319,184.85 and 140,592.84 is: 194,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,256.05 : 319,184.85 = 140,592.84 : x
  2. Step 2: Convert to fraction form
    231,256.05/319,184.85 = 140,592.84/x
  3. Step 3: Cross multiply
    231,256.05x = 319,184.85 × 140,592.84
  4. Step 4: Simplify right side
    231,256.05x = 44,875,104,546.47
  5. Step 5: Solve for x
    x = 44,875,104,546.47/231,256.05
  6. Step 6: Final answer
    x = 194,049.43

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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.