Home / 141,216.54-194,882.22-77,555.72

Finding the Fourth Proportional to 141,216.54, 194,882.22 and 77,555.72

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Solution

The fourth proportional to 141,216.54, 194,882.22 and 77,555.72 is: 107,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,216.54 : 194,882.22 = 77,555.72 : x
  2. Step 2: Convert to fraction form
    141,216.54/194,882.22 = 77,555.72/x
  3. Step 3: Cross multiply
    141,216.54x = 194,882.22 × 77,555.72
  4. Step 4: Simplify right side
    141,216.54x = 15,114,229,912.89
  5. Step 5: Solve for x
    x = 15,114,229,912.89/141,216.54
  6. Step 6: Final answer
    x = 107,028.75

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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.