Home / 141,786.55-195,703.17-83,694.36

Finding the Fourth Proportional to 141,786.55, 195,703.17 and 83,694.36

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Solution

The fourth proportional to 141,786.55, 195,703.17 and 83,694.36 is: 115,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786.55 : 195,703.17 = 83,694.36 : x
  2. Step 2: Convert to fraction form
    141,786.55/195,703.17 = 83,694.36/x
  3. Step 3: Cross multiply
    141,786.55x = 195,703.17 × 83,694.36
  4. Step 4: Simplify right side
    141,786.55x = 16,379,251,563.12
  5. Step 5: Solve for x
    x = 16,379,251,563.12/141,786.55
  6. Step 6: Final answer
    x = 115,520.49

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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.