Home / 263,308.59-395,184.03-113,661.90

Finding the Fourth Proportional to 263,308.59, 395,184.03 and 113,661.90

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Solution

The fourth proportional to 263,308.59, 395,184.03 and 113,661.90 is: 170,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,308.59 : 395,184.03 = 113,661.90 : x
  2. Step 2: Convert to fraction form
    263,308.59/395,184.03 = 113,661.90/x
  3. Step 3: Cross multiply
    263,308.59x = 395,184.03 × 113,661.90
  4. Step 4: Simplify right side
    263,308.59x = 44,917,367,699.46
  5. Step 5: Solve for x
    x = 44,917,367,699.46/263,308.59
  6. Step 6: Final answer
    x = 170,588.31

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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.