Home / 141,122.80-194,715.96-79,869.82

Finding the Fourth Proportional to 141,122.80, 194,715.96 and 79,869.82

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Solution

The fourth proportional to 141,122.80, 194,715.96 and 79,869.82 is: 110,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,122.80 : 194,715.96 = 79,869.82 : x
  2. Step 2: Convert to fraction form
    141,122.80/194,715.96 = 79,869.82/x
  3. Step 3: Cross multiply
    141,122.80x = 194,715.96 × 79,869.82
  4. Step 4: Simplify right side
    141,122.80x = 15,551,928,676.33
  5. Step 5: Solve for x
    x = 15,551,928,676.33/141,122.80
  6. Step 6: Final answer
    x = 110,201.39

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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.