Home / 140,568.12-194,064.21-92,959.56

Finding the Fourth Proportional to 140,568.12, 194,064.21 and 92,959.56

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Solution

The fourth proportional to 140,568.12, 194,064.21 and 92,959.56 is: 128,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,568.12 : 194,064.21 = 92,959.56 : x
  2. Step 2: Convert to fraction form
    140,568.12/194,064.21 = 92,959.56/x
  3. Step 3: Cross multiply
    140,568.12x = 194,064.21 × 92,959.56
  4. Step 4: Simplify right side
    140,568.12x = 18,040,123,573.35
  5. Step 5: Solve for x
    x = 18,040,123,573.35/140,568.12
  6. Step 6: Final answer
    x = 128,337.23

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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.