Home / 141,371.13-195,092.37-77,709.32

Finding the Fourth Proportional to 141,371.13, 195,092.37 and 77,709.32

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Solution

The fourth proportional to 141,371.13, 195,092.37 and 77,709.32 is: 107,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,371.13 : 195,092.37 = 77,709.32 : x
  2. Step 2: Convert to fraction form
    141,371.13/195,092.37 = 77,709.32/x
  3. Step 3: Cross multiply
    141,371.13x = 195,092.37 × 77,709.32
  4. Step 4: Simplify right side
    141,371.13x = 15,160,494,434.43
  5. Step 5: Solve for x
    x = 15,160,494,434.43/141,371.13
  6. Step 6: Final answer
    x = 107,238.97

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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.