Home / 141,120.22-194,748.42-77,463.94

Finding the Fourth Proportional to 141,120.22, 194,748.42 and 77,463.94

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Solution

The fourth proportional to 141,120.22, 194,748.42 and 77,463.94 is: 106,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,120.22 : 194,748.42 = 77,463.94 : x
  2. Step 2: Convert to fraction form
    141,120.22/194,748.42 = 77,463.94/x
  3. Step 3: Cross multiply
    141,120.22x = 194,748.42 × 77,463.94
  4. Step 4: Simplify right side
    141,120.22x = 15,085,979,921.97
  5. Step 5: Solve for x
    x = 15,085,979,921.97/141,120.22
  6. Step 6: Final answer
    x = 106,901.62

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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.