Home / 141,864.62-195,786.96-105,992.36

Finding the Fourth Proportional to 141,864.62, 195,786.96 and 105,992.36

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Solution

The fourth proportional to 141,864.62, 195,786.96 and 105,992.36 is: 146,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,864.62 : 195,786.96 = 105,992.36 : x
  2. Step 2: Convert to fraction form
    141,864.62/195,786.96 = 105,992.36/x
  3. Step 3: Cross multiply
    141,864.62x = 195,786.96 × 105,992.36
  4. Step 4: Simplify right side
    141,864.62x = 20,751,921,947.63
  5. Step 5: Solve for x
    x = 20,751,921,947.63/141,864.62
  6. Step 6: Final answer
    x = 146,279.76

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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.