Home / 263,801.09-395,698.10-64,120.91

Finding the Fourth Proportional to 263,801.09, 395,698.10 and 64,120.91

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Solution

The fourth proportional to 263,801.09, 395,698.10 and 64,120.91 is: 96,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,801.09 : 395,698.10 = 64,120.91 : x
  2. Step 2: Convert to fraction form
    263,801.09/395,698.10 = 64,120.91/x
  3. Step 3: Cross multiply
    263,801.09x = 395,698.10 × 64,120.91
  4. Step 4: Simplify right side
    263,801.09x = 25,372,519,958.18
  5. Step 5: Solve for x
    x = 25,372,519,958.18/263,801.09
  6. Step 6: Final answer
    x = 96,180.50

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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.