Home / 268,255.27-402,571.97-126,107.02

Finding the Fourth Proportional to 268,255.27, 402,571.97 and 126,107.02

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Solution

The fourth proportional to 268,255.27, 402,571.97 and 126,107.02 is: 189,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,255.27 : 402,571.97 = 126,107.02 : x
  2. Step 2: Convert to fraction form
    268,255.27/402,571.97 = 126,107.02/x
  3. Step 3: Cross multiply
    268,255.27x = 402,571.97 × 126,107.02
  4. Step 4: Simplify right side
    268,255.27x = 50,767,148,828.83
  5. Step 5: Solve for x
    x = 50,767,148,828.83/268,255.27
  6. Step 6: Final answer
    x = 189,249.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.