Home / 129,958.88-194,945.20-41,205.56

Finding the Fourth Proportional to 129,958.88, 194,945.20 and 41,205.56

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Solution

The fourth proportional to 129,958.88, 194,945.20 and 41,205.56 is: 61,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,958.88 : 194,945.20 = 41,205.56 : x
  2. Step 2: Convert to fraction form
    129,958.88/194,945.20 = 41,205.56/x
  3. Step 3: Cross multiply
    129,958.88x = 194,945.20 × 41,205.56
  4. Step 4: Simplify right side
    129,958.88x = 8,032,826,135.31
  5. Step 5: Solve for x
    x = 8,032,826,135.31/129,958.88
  6. Step 6: Final answer
    x = 61,810.52

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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.