Home / 263,146.09-394,767.83-83,276.79

Finding the Fourth Proportional to 263,146.09, 394,767.83 and 83,276.79

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Solution

The fourth proportional to 263,146.09, 394,767.83 and 83,276.79 is: 124,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,146.09 : 394,767.83 = 83,276.79 : x
  2. Step 2: Convert to fraction form
    263,146.09/394,767.83 = 83,276.79/x
  3. Step 3: Cross multiply
    263,146.09x = 394,767.83 × 83,276.79
  4. Step 4: Simplify right side
    263,146.09x = 32,874,996,405.48
  5. Step 5: Solve for x
    x = 32,874,996,405.48/263,146.09
  6. Step 6: Final answer
    x = 124,930.59

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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.