Home / 165,013.75-247,480.98-76,181.91

Finding the Fourth Proportional to 165,013.75, 247,480.98 and 76,181.91

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Solution

The fourth proportional to 165,013.75, 247,480.98 and 76,181.91 is: 114,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,013.75 : 247,480.98 = 76,181.91 : x
  2. Step 2: Convert to fraction form
    165,013.75/247,480.98 = 76,181.91/x
  3. Step 3: Cross multiply
    165,013.75x = 247,480.98 × 76,181.91
  4. Step 4: Simplify right side
    165,013.75x = 18,853,573,745.07
  5. Step 5: Solve for x
    x = 18,853,573,745.07/165,013.75
  6. Step 6: Final answer
    x = 114,254.56

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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.