Home / 129,758.14-179,066.26-73,169.52

Finding the Fourth Proportional to 129,758.14, 179,066.26 and 73,169.52

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Solution

The fourth proportional to 129,758.14, 179,066.26 and 73,169.52 is: 100,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,758.14 : 179,066.26 = 73,169.52 : x
  2. Step 2: Convert to fraction form
    129,758.14/179,066.26 = 73,169.52/x
  3. Step 3: Cross multiply
    129,758.14x = 179,066.26 × 73,169.52
  4. Step 4: Simplify right side
    129,758.14x = 13,102,192,292.40
  5. Step 5: Solve for x
    x = 13,102,192,292.40/129,758.14
  6. Step 6: Final answer
    x = 100,973.95

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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.