Home / 227,140.49-313,467.60-125,165.78

Finding the Fourth Proportional to 227,140.49, 313,467.60 and 125,165.78

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Solution

The fourth proportional to 227,140.49, 313,467.60 and 125,165.78 is: 172,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,140.49 : 313,467.60 = 125,165.78 : x
  2. Step 2: Convert to fraction form
    227,140.49/313,467.60 = 125,165.78/x
  3. Step 3: Cross multiply
    227,140.49x = 313,467.60 × 125,165.78
  4. Step 4: Simplify right side
    227,140.49x = 39,235,414,465.56
  5. Step 5: Solve for x
    x = 39,235,414,465.56/227,140.49
  6. Step 6: Final answer
    x = 172,736.33

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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.