Home / 117,439.25-176,180.75-53,401.97

Finding the Fourth Proportional to 117,439.25, 176,180.75 and 53,401.97

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Solution

The fourth proportional to 117,439.25, 176,180.75 and 53,401.97 is: 80,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,439.25 : 176,180.75 = 53,401.97 : x
  2. Step 2: Convert to fraction form
    117,439.25/176,180.75 = 53,401.97/x
  3. Step 3: Cross multiply
    117,439.25x = 176,180.75 × 53,401.97
  4. Step 4: Simplify right side
    117,439.25x = 9,408,397,978.16
  5. Step 5: Solve for x
    x = 9,408,397,978.16/117,439.25
  6. Step 6: Final answer
    x = 80,112.90

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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.