Home / 149,554.53-206,380.22-89,093.87

Finding the Fourth Proportional to 149,554.53, 206,380.22 and 89,093.87

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Solution

The fourth proportional to 149,554.53, 206,380.22 and 89,093.87 is: 122,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,554.53 : 206,380.22 = 89,093.87 : x
  2. Step 2: Convert to fraction form
    149,554.53/206,380.22 = 89,093.87/x
  3. Step 3: Cross multiply
    149,554.53x = 206,380.22 × 89,093.87
  4. Step 4: Simplify right side
    149,554.53x = 18,387,211,013.88
  5. Step 5: Solve for x
    x = 18,387,211,013.88/149,554.53
  6. Step 6: Final answer
    x = 122,946.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.