Home / 227,121.41-313,423.49-126,517.25

Finding the Fourth Proportional to 227,121.41, 313,423.49 and 126,517.25

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Solution

The fourth proportional to 227,121.41, 313,423.49 and 126,517.25 is: 174,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,121.41 : 313,423.49 = 126,517.25 : x
  2. Step 2: Convert to fraction form
    227,121.41/313,423.49 = 126,517.25/x
  3. Step 3: Cross multiply
    227,121.41x = 313,423.49 × 126,517.25
  4. Step 4: Simplify right side
    227,121.41x = 39,653,477,407.62
  5. Step 5: Solve for x
    x = 39,653,477,407.62/227,121.41
  6. Step 6: Final answer
    x = 174,591.54

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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.