Home / 263,556.10-395,330.64-63,878.22

Finding the Fourth Proportional to 263,556.10, 395,330.64 and 63,878.22

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Solution

The fourth proportional to 263,556.10, 395,330.64 and 63,878.22 is: 95,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,556.10 : 395,330.64 = 63,878.22 : x
  2. Step 2: Convert to fraction form
    263,556.10/395,330.64 = 63,878.22/x
  3. Step 3: Cross multiply
    263,556.10x = 395,330.64 × 63,878.22
  4. Step 4: Simplify right side
    263,556.10x = 25,253,017,594.66
  5. Step 5: Solve for x
    x = 25,253,017,594.66/263,556.10
  6. Step 6: Final answer
    x = 95,816.48

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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.