Home / 141,563.26-195,351.51-81,091.87

Finding the Fourth Proportional to 141,563.26, 195,351.51 and 81,091.87

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Solution

The fourth proportional to 141,563.26, 195,351.51 and 81,091.87 is: 111,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,563.26 : 195,351.51 = 81,091.87 : x
  2. Step 2: Convert to fraction form
    141,563.26/195,351.51 = 81,091.87/x
  3. Step 3: Cross multiply
    141,563.26x = 195,351.51 × 81,091.87
  4. Step 4: Simplify right side
    141,563.26x = 15,841,419,068.94
  5. Step 5: Solve for x
    x = 15,841,419,068.94/141,563.26
  6. Step 6: Final answer
    x = 111,903.46

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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.