Home / 301,067.13-415,472.20-173,742.73

Finding the Fourth Proportional to 301,067.13, 415,472.20 and 173,742.73

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Solution

The fourth proportional to 301,067.13, 415,472.20 and 173,742.73 is: 239,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,067.13 : 415,472.20 = 173,742.73 : x
  2. Step 2: Convert to fraction form
    301,067.13/415,472.20 = 173,742.73/x
  3. Step 3: Cross multiply
    301,067.13x = 415,472.20 × 173,742.73
  4. Step 4: Simplify right side
    301,067.13x = 72,185,274,267.11
  5. Step 5: Solve for x
    x = 72,185,274,267.11/301,067.13
  6. Step 6: Final answer
    x = 239,764.71

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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.