Home / 165,072.48-247,575.90-80,796.44

Finding the Fourth Proportional to 165,072.48, 247,575.90 and 80,796.44

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Solution

The fourth proportional to 165,072.48, 247,575.90 and 80,796.44 is: 121,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,072.48 : 247,575.90 = 80,796.44 : x
  2. Step 2: Convert to fraction form
    165,072.48/247,575.90 = 80,796.44/x
  3. Step 3: Cross multiply
    165,072.48x = 247,575.90 × 80,796.44
  4. Step 4: Simplify right side
    165,072.48x = 20,003,251,349.80
  5. Step 5: Solve for x
    x = 20,003,251,349.80/165,072.48
  6. Step 6: Final answer
    x = 121,178.60

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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.