Home / 226,795.32-312,982.38-126,199.80

Finding the Fourth Proportional to 226,795.32, 312,982.38 and 126,199.80

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Solution

The fourth proportional to 226,795.32, 312,982.38 and 126,199.80 is: 174,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,795.32 : 312,982.38 = 126,199.80 : x
  2. Step 2: Convert to fraction form
    226,795.32/312,982.38 = 126,199.80/x
  3. Step 3: Cross multiply
    226,795.32x = 312,982.38 × 126,199.80
  4. Step 4: Simplify right side
    226,795.32x = 39,498,313,759.52
  5. Step 5: Solve for x
    x = 39,498,313,759.52/226,795.32
  6. Step 6: Final answer
    x = 174,158.42

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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.