Home / 141,864.19-195,786.38-105,991.93

Finding the Fourth Proportional to 141,864.19, 195,786.38 and 105,991.93

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Solution

The fourth proportional to 141,864.19, 195,786.38 and 105,991.93 is: 146,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,864.19 : 195,786.38 = 105,991.93 : x
  2. Step 2: Convert to fraction form
    141,864.19/195,786.38 = 105,991.93/x
  3. Step 3: Cross multiply
    141,864.19x = 195,786.38 × 105,991.93
  4. Step 4: Simplify right side
    141,864.19x = 20,751,776,283.91
  5. Step 5: Solve for x
    x = 20,751,776,283.91/141,864.19
  6. Step 6: Final answer
    x = 146,279.17

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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.