Home / 141,093.18-194,700.78-77,425.92

Finding the Fourth Proportional to 141,093.18, 194,700.78 and 77,425.92

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Solution

The fourth proportional to 141,093.18, 194,700.78 and 77,425.92 is: 106,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,093.18 : 194,700.78 = 77,425.92 : x
  2. Step 2: Convert to fraction form
    141,093.18/194,700.78 = 77,425.92/x
  3. Step 3: Cross multiply
    141,093.18x = 194,700.78 × 77,425.92
  4. Step 4: Simplify right side
    141,093.18x = 15,074,887,016.22
  5. Step 5: Solve for x
    x = 15,074,887,016.22/141,093.18
  6. Step 6: Final answer
    x = 106,843.48

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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.