Home / 129,780.27-194,669.22-41,033.82

Finding the Fourth Proportional to 129,780.27, 194,669.22 and 41,033.82

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Solution

The fourth proportional to 129,780.27, 194,669.22 and 41,033.82 is: 61,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,780.27 : 194,669.22 = 41,033.82 : x
  2. Step 2: Convert to fraction form
    129,780.27/194,669.22 = 41,033.82/x
  3. Step 3: Cross multiply
    129,780.27x = 194,669.22 × 41,033.82
  4. Step 4: Simplify right side
    129,780.27x = 7,988,021,733.02
  5. Step 5: Solve for x
    x = 7,988,021,733.02/129,780.27
  6. Step 6: Final answer
    x = 61,550.36

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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.