Home / 129,776.15-194,663.05-41,029.68

Finding the Fourth Proportional to 129,776.15, 194,663.05 and 41,029.68

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Solution

The fourth proportional to 129,776.15, 194,663.05 and 41,029.68 is: 61,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,776.15 : 194,663.05 = 41,029.68 : x
  2. Step 2: Convert to fraction form
    129,776.15/194,663.05 = 41,029.68/x
  3. Step 3: Cross multiply
    129,776.15x = 194,663.05 × 41,029.68
  4. Step 4: Simplify right side
    129,776.15x = 7,986,962,546.75
  5. Step 5: Solve for x
    x = 7,986,962,546.75/129,776.15
  6. Step 6: Final answer
    x = 61,544.15

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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.