Home / 226,880.40-313,105.32-126,284.88

Finding the Fourth Proportional to 226,880.40, 313,105.32 and 126,284.88

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Solution

The fourth proportional to 226,880.40, 313,105.32 and 126,284.88 is: 174,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,880.40 : 313,105.32 = 126,284.88 : x
  2. Step 2: Convert to fraction form
    226,880.40/313,105.32 = 126,284.88/x
  3. Step 3: Cross multiply
    226,880.40x = 313,105.32 × 126,284.88
  4. Step 4: Simplify right side
    226,880.40x = 39,540,467,763.56
  5. Step 5: Solve for x
    x = 39,540,467,763.56/226,880.40
  6. Step 6: Final answer
    x = 174,278.91

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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.