Home / 143,163.01-197,508.30-82,722.52

Finding the Fourth Proportional to 143,163.01, 197,508.30 and 82,722.52

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Solution

The fourth proportional to 143,163.01, 197,508.30 and 82,722.52 is: 114,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,163.01 : 197,508.30 = 82,722.52 : x
  2. Step 2: Convert to fraction form
    143,163.01/197,508.30 = 82,722.52/x
  3. Step 3: Cross multiply
    143,163.01x = 197,508.30 × 82,722.52
  4. Step 4: Simplify right side
    143,163.01x = 16,338,384,296.92
  5. Step 5: Solve for x
    x = 16,338,384,296.92/143,163.01
  6. Step 6: Final answer
    x = 114,124.34

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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.