Home / 129,826.62-179,169.03-73,217.34

Finding the Fourth Proportional to 129,826.62, 179,169.03 and 73,217.34

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Solution

The fourth proportional to 129,826.62, 179,169.03 and 73,217.34 is: 101,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,826.62 : 179,169.03 = 73,217.34 : x
  2. Step 2: Convert to fraction form
    129,826.62/179,169.03 = 73,217.34/x
  3. Step 3: Cross multiply
    129,826.62x = 179,169.03 × 73,217.34
  4. Step 4: Simplify right side
    129,826.62x = 13,118,279,786.98
  5. Step 5: Solve for x
    x = 13,118,279,786.98/129,826.62
  6. Step 6: Final answer
    x = 101,044.61

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1.5x scale

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.