Home / 227,260.28-313,629.90-126,659

Finding the Fourth Proportional to 227,260.28, 313,629.90 and 126,659

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Solution

The fourth proportional to 227,260.28, 313,629.90 and 126,659 is: 174,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,260.28 : 313,629.90 = 126,659 : x
  2. Step 2: Convert to fraction form
    227,260.28/313,629.90 = 126,659/x
  3. Step 3: Cross multiply
    227,260.28x = 313,629.90 × 126,659
  4. Step 4: Simplify right side
    227,260.28x = 39,724,049,504.10
  5. Step 5: Solve for x
    x = 39,724,049,504.10/227,260.28
  6. Step 6: Final answer
    x = 174,795.39

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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.