Home / 129,851.82-179,195.69-73,268.46

Finding the Fourth Proportional to 129,851.82, 179,195.69 and 73,268.46

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Solution

The fourth proportional to 129,851.82, 179,195.69 and 73,268.46 is: 101,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,851.82 : 179,195.69 = 73,268.46 : x
  2. Step 2: Convert to fraction form
    129,851.82/179,195.69 = 73,268.46/x
  3. Step 3: Cross multiply
    129,851.82x = 179,195.69 × 73,268.46
  4. Step 4: Simplify right side
    129,851.82x = 13,129,392,244.94
  5. Step 5: Solve for x
    x = 13,129,392,244.94/129,851.82
  6. Step 6: Final answer
    x = 101,110.58

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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.