Home / 129,371.16-194,043.09-34,610.91

Finding the Fourth Proportional to 129,371.16, 194,043.09 and 34,610.91

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Solution

The fourth proportional to 129,371.16, 194,043.09 and 34,610.91 is: 51,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,371.16 : 194,043.09 = 34,610.91 : x
  2. Step 2: Convert to fraction form
    129,371.16/194,043.09 = 34,610.91/x
  3. Step 3: Cross multiply
    129,371.16x = 194,043.09 × 34,610.91
  4. Step 4: Simplify right side
    129,371.16x = 6,716,007,924.11
  5. Step 5: Solve for x
    x = 6,716,007,924.11/129,371.16
  6. Step 6: Final answer
    x = 51,912.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.