Home / 164,945.70-247,540.05-111,511.62

Finding the Fourth Proportional to 164,945.70, 247,540.05 and 111,511.62

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Solution

The fourth proportional to 164,945.70, 247,540.05 and 111,511.62 is: 167,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,945.70 : 247,540.05 = 111,511.62 : x
  2. Step 2: Convert to fraction form
    164,945.70/247,540.05 = 111,511.62/x
  3. Step 3: Cross multiply
    164,945.70x = 247,540.05 × 111,511.62
  4. Step 4: Simplify right side
    164,945.70x = 27,603,591,990.38
  5. Step 5: Solve for x
    x = 27,603,591,990.38/164,945.70
  6. Step 6: Final answer
    x = 167,349.57

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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.