Home / 141,418.44-195,079.59-89,640.81

Finding the Fourth Proportional to 141,418.44, 195,079.59 and 89,640.81

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Solution

The fourth proportional to 141,418.44, 195,079.59 and 89,640.81 is: 123,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,418.44 : 195,079.59 = 89,640.81 : x
  2. Step 2: Convert to fraction form
    141,418.44/195,079.59 = 89,640.81/x
  3. Step 3: Cross multiply
    141,418.44x = 195,079.59 × 89,640.81
  4. Step 4: Simplify right side
    141,418.44x = 17,487,092,462.07
  5. Step 5: Solve for x
    x = 17,487,092,462.07/141,418.44
  6. Step 6: Final answer
    x = 123,654.97

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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.