Home / 141,371.64-195,093-77,713.62

Finding the Fourth Proportional to 141,371.64, 195,093 and 77,713.62

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Solution

The fourth proportional to 141,371.64, 195,093 and 77,713.62 is: 107,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,371.64 : 195,093 = 77,713.62 : x
  2. Step 2: Convert to fraction form
    141,371.64/195,093 = 77,713.62/x
  3. Step 3: Cross multiply
    141,371.64x = 195,093 × 77,713.62
  4. Step 4: Simplify right side
    141,371.64x = 15,161,383,266.66
  5. Step 5: Solve for x
    x = 15,161,383,266.66/141,371.64
  6. Step 6: Final answer
    x = 107,244.87

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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.