Home / 211,241.22-291,519.66-115,753.98

Finding the Fourth Proportional to 211,241.22, 291,519.66 and 115,753.98

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Solution

The fourth proportional to 211,241.22, 291,519.66 and 115,753.98 is: 159,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,241.22 : 291,519.66 = 115,753.98 : x
  2. Step 2: Convert to fraction form
    211,241.22/291,519.66 = 115,753.98/x
  3. Step 3: Cross multiply
    211,241.22x = 291,519.66 × 115,753.98
  4. Step 4: Simplify right side
    211,241.22x = 33,744,560,893.25
  5. Step 5: Solve for x
    x = 33,744,560,893.25/211,241.22
  6. Step 6: Final answer
    x = 159,744.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.