Home / 263,308.06-395,183.28-113,661.40

Finding the Fourth Proportional to 263,308.06, 395,183.28 and 113,661.40

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Solution

The fourth proportional to 263,308.06, 395,183.28 and 113,661.40 is: 170,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,308.06 : 395,183.28 = 113,661.40 : x
  2. Step 2: Convert to fraction form
    263,308.06/395,183.28 = 113,661.40/x
  3. Step 3: Cross multiply
    263,308.06x = 395,183.28 × 113,661.40
  4. Step 4: Simplify right side
    263,308.06x = 44,917,084,861.39
  5. Step 5: Solve for x
    x = 44,917,084,861.39/263,308.06
  6. Step 6: Final answer
    x = 170,587.58

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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.