Home / 236,451.88-326,297.19-129,021.94

Finding the Fourth Proportional to 236,451.88, 326,297.19 and 129,021.94

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Solution

The fourth proportional to 236,451.88, 326,297.19 and 129,021.94 is: 178,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,451.88 : 326,297.19 = 129,021.94 : x
  2. Step 2: Convert to fraction form
    236,451.88/326,297.19 = 129,021.94/x
  3. Step 3: Cross multiply
    236,451.88x = 326,297.19 × 129,021.94
  4. Step 4: Simplify right side
    236,451.88x = 42,099,496,470.35
  5. Step 5: Solve for x
    x = 42,099,496,470.35/236,451.88
  6. Step 6: Final answer
    x = 178,046.78

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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.