Home / 263,534.27-395,318.72-105,742.22

Finding the Fourth Proportional to 263,534.27, 395,318.72 and 105,742.22

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Solution

The fourth proportional to 263,534.27, 395,318.72 and 105,742.22 is: 158,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,534.27 : 395,318.72 = 105,742.22 : x
  2. Step 2: Convert to fraction form
    263,534.27/395,318.72 = 105,742.22/x
  3. Step 3: Cross multiply
    263,534.27x = 395,318.72 × 105,742.22
  4. Step 4: Simplify right side
    263,534.27x = 41,801,877,348.12
  5. Step 5: Solve for x
    x = 41,801,877,348.12/263,534.27
  6. Step 6: Final answer
    x = 158,620.27

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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.