Home / 263,923.56-395,872.38-86,514.12

Finding the Fourth Proportional to 263,923.56, 395,872.38 and 86,514.12

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Solution

The fourth proportional to 263,923.56, 395,872.38 and 86,514.12 is: 129,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,923.56 : 395,872.38 = 86,514.12 : x
  2. Step 2: Convert to fraction form
    263,923.56/395,872.38 = 86,514.12/x
  3. Step 3: Cross multiply
    263,923.56x = 395,872.38 × 86,514.12
  4. Step 4: Simplify right side
    263,923.56x = 34,248,550,588.01
  5. Step 5: Solve for x
    x = 34,248,550,588.01/263,923.56
  6. Step 6: Final answer
    x = 129,766.93

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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.