Home / 263,629.79-395,362.86-95,128.25

Finding the Fourth Proportional to 263,629.79, 395,362.86 and 95,128.25

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Solution

The fourth proportional to 263,629.79, 395,362.86 and 95,128.25 is: 142,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,629.79 : 395,362.86 = 95,128.25 : x
  2. Step 2: Convert to fraction form
    263,629.79/395,362.86 = 95,128.25/x
  3. Step 3: Cross multiply
    263,629.79x = 395,362.86 × 95,128.25
  4. Step 4: Simplify right side
    263,629.79x = 37,610,176,986.80
  5. Step 5: Solve for x
    x = 37,610,176,986.80/263,629.79
  6. Step 6: Final answer
    x = 142,662.85

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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.