Home / 149,093.43-223,522.48-74,172.68

Finding the Fourth Proportional to 149,093.43, 223,522.48 and 74,172.68

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Solution

The fourth proportional to 149,093.43, 223,522.48 and 74,172.68 is: 111,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,093.43 : 223,522.48 = 74,172.68 : x
  2. Step 2: Convert to fraction form
    149,093.43/223,522.48 = 74,172.68/x
  3. Step 3: Cross multiply
    149,093.43x = 223,522.48 × 74,172.68
  4. Step 4: Simplify right side
    149,093.43x = 16,579,261,381.85
  5. Step 5: Solve for x
    x = 16,579,261,381.85/149,093.43
  6. Step 6: Final answer
    x = 111,200.48

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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.