Home / 141,790.53-195,669.37-80,536.31

Finding the Fourth Proportional to 141,790.53, 195,669.37 and 80,536.31

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Solution

The fourth proportional to 141,790.53, 195,669.37 and 80,536.31 is: 111,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,790.53 : 195,669.37 = 80,536.31 : x
  2. Step 2: Convert to fraction form
    141,790.53/195,669.37 = 80,536.31/x
  3. Step 3: Cross multiply
    141,790.53x = 195,669.37 × 80,536.31
  4. Step 4: Simplify right side
    141,790.53x = 15,758,489,039.82
  5. Step 5: Solve for x
    x = 15,758,489,039.82/141,790.53
  6. Step 6: Final answer
    x = 111,139.22

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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.