Home / 141,849.26-195,753.29-78,189.33

Finding the Fourth Proportional to 141,849.26, 195,753.29 and 78,189.33

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Solution

The fourth proportional to 141,849.26, 195,753.29 and 78,189.33 is: 107,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,849.26 : 195,753.29 = 78,189.33 : x
  2. Step 2: Convert to fraction form
    141,849.26/195,753.29 = 78,189.33/x
  3. Step 3: Cross multiply
    141,849.26x = 195,753.29 × 78,189.33
  4. Step 4: Simplify right side
    141,849.26x = 15,305,818,199.45
  5. Step 5: Solve for x
    x = 15,305,818,199.45/141,849.26
  6. Step 6: Final answer
    x = 107,902.00

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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.