Home / 236,067.84-325,769.58-128,638.80

Finding the Fourth Proportional to 236,067.84, 325,769.58 and 128,638.80

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Solution

The fourth proportional to 236,067.84, 325,769.58 and 128,638.80 is: 177,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,067.84 : 325,769.58 = 128,638.80 : x
  2. Step 2: Convert to fraction form
    236,067.84/325,769.58 = 128,638.80/x
  3. Step 3: Cross multiply
    236,067.84x = 325,769.58 × 128,638.80
  4. Step 4: Simplify right side
    236,067.84x = 41,906,607,847.70
  5. Step 5: Solve for x
    x = 41,906,607,847.70/236,067.84
  6. Step 6: Final answer
    x = 177,519.34

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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.