Home / 195,469.40-293,301.30-77,144.60

Finding the Fourth Proportional to 195,469.40, 293,301.30 and 77,144.60

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Solution

The fourth proportional to 195,469.40, 293,301.30 and 77,144.60 is: 115,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,469.40 : 293,301.30 = 77,144.60 : x
  2. Step 2: Convert to fraction form
    195,469.40/293,301.30 = 77,144.60/x
  3. Step 3: Cross multiply
    195,469.40x = 293,301.30 × 77,144.60
  4. Step 4: Simplify right side
    195,469.40x = 22,626,611,467.98
  5. Step 5: Solve for x
    x = 22,626,611,467.98/195,469.40
  6. Step 6: Final answer
    x = 115,755.26

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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.