Home / 129,757.14-179,064.88-73,168.52

Finding the Fourth Proportional to 129,757.14, 179,064.88 and 73,168.52

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Solution

The fourth proportional to 129,757.14, 179,064.88 and 73,168.52 is: 100,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,757.14 : 179,064.88 = 73,168.52 : x
  2. Step 2: Convert to fraction form
    129,757.14/179,064.88 = 73,168.52/x
  3. Step 3: Cross multiply
    129,757.14x = 179,064.88 × 73,168.52
  4. Step 4: Simplify right side
    129,757.14x = 13,101,911,175.33
  5. Step 5: Solve for x
    x = 13,101,911,175.33/129,757.14
  6. Step 6: Final answer
    x = 100,972.56

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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.