Home / 263,921.55-395,905.26-74,383.17

Finding the Fourth Proportional to 263,921.55, 395,905.26 and 74,383.17

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Solution

The fourth proportional to 263,921.55, 395,905.26 and 74,383.17 is: 111,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,921.55 : 395,905.26 = 74,383.17 : x
  2. Step 2: Convert to fraction form
    263,921.55/395,905.26 = 74,383.17/x
  3. Step 3: Cross multiply
    263,921.55x = 395,905.26 × 74,383.17
  4. Step 4: Simplify right side
    263,921.55x = 29,448,688,072.52
  5. Step 5: Solve for x
    x = 29,448,688,072.52/263,921.55
  6. Step 6: Final answer
    x = 111,581.22

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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.