Home / 263,059.32-394,431.27-127,857.12

Finding the Fourth Proportional to 263,059.32, 394,431.27 and 127,857.12

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Solution

The fourth proportional to 263,059.32, 394,431.27 and 127,857.12 is: 191,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,059.32 : 394,431.27 = 127,857.12 : x
  2. Step 2: Convert to fraction form
    263,059.32/394,431.27 = 127,857.12/x
  3. Step 3: Cross multiply
    263,059.32x = 394,431.27 × 127,857.12
  4. Step 4: Simplify right side
    263,059.32x = 50,430,846,220.14
  5. Step 5: Solve for x
    x = 50,430,846,220.14/263,059.32
  6. Step 6: Final answer
    x = 191,709.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.