Home / 141,481.13-195,271.69-81,092.25

Finding the Fourth Proportional to 141,481.13, 195,271.69 and 81,092.25

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Solution

The fourth proportional to 141,481.13, 195,271.69 and 81,092.25 is: 111,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,481.13 : 195,271.69 = 81,092.25 : x
  2. Step 2: Convert to fraction form
    141,481.13/195,271.69 = 81,092.25/x
  3. Step 3: Cross multiply
    141,481.13x = 195,271.69 × 81,092.25
  4. Step 4: Simplify right side
    141,481.13x = 15,835,019,727.04
  5. Step 5: Solve for x
    x = 15,835,019,727.04/141,481.13
  6. Step 6: Final answer
    x = 111,923.20

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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.