Home / 141,147.14-194,782.22-76,617.66

Finding the Fourth Proportional to 141,147.14, 194,782.22 and 76,617.66

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Solution

The fourth proportional to 141,147.14, 194,782.22 and 76,617.66 is: 105,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,147.14 : 194,782.22 = 76,617.66 : x
  2. Step 2: Convert to fraction form
    141,147.14/194,782.22 = 76,617.66/x
  3. Step 3: Cross multiply
    141,147.14x = 194,782.22 × 76,617.66
  4. Step 4: Simplify right side
    141,147.14x = 14,923,757,906.01
  5. Step 5: Solve for x
    x = 14,923,757,906.01/141,147.14
  6. Step 6: Final answer
    x = 105,731.92

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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.