Home / 154,104.24-231,191.82-65,361.18

Finding the Fourth Proportional to 154,104.24, 231,191.82 and 65,361.18

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Solution

The fourth proportional to 154,104.24, 231,191.82 and 65,361.18 is: 98,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,104.24 : 231,191.82 = 65,361.18 : x
  2. Step 2: Convert to fraction form
    154,104.24/231,191.82 = 65,361.18/x
  3. Step 3: Cross multiply
    154,104.24x = 231,191.82 × 65,361.18
  4. Step 4: Simplify right side
    154,104.24x = 15,110,970,161.55
  5. Step 5: Solve for x
    x = 15,110,970,161.55/154,104.24
  6. Step 6: Final answer
    x = 98,056.81

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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.