Home / 227,121.66-313,423.83-126,517.50

Finding the Fourth Proportional to 227,121.66, 313,423.83 and 126,517.50

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Solution

The fourth proportional to 227,121.66, 313,423.83 and 126,517.50 is: 174,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,121.66 : 313,423.83 = 126,517.50 : x
  2. Step 2: Convert to fraction form
    227,121.66/313,423.83 = 126,517.50/x
  3. Step 3: Cross multiply
    227,121.66x = 313,423.83 × 126,517.50
  4. Step 4: Simplify right side
    227,121.66x = 39,653,599,412.03
  5. Step 5: Solve for x
    x = 39,653,599,412.03/227,121.66
  6. Step 6: Final answer
    x = 174,591.89

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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.