Home / 227,134.72-313,452.39-126,539.20

Finding the Fourth Proportional to 227,134.72, 313,452.39 and 126,539.20

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Solution

The fourth proportional to 227,134.72, 313,452.39 and 126,539.20 is: 174,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,134.72 : 313,452.39 = 126,539.20 : x
  2. Step 2: Convert to fraction form
    227,134.72/313,452.39 = 126,539.20/x
  3. Step 3: Cross multiply
    227,134.72x = 313,452.39 × 126,539.20
  4. Step 4: Simplify right side
    227,134.72x = 39,664,014,668.69
  5. Step 5: Solve for x
    x = 39,664,014,668.69/227,134.72
  6. Step 6: Final answer
    x = 174,627.70

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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.