Home / 149,474.03-223,961.39-105,021.19

Finding the Fourth Proportional to 149,474.03, 223,961.39 and 105,021.19

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Solution

The fourth proportional to 149,474.03, 223,961.39 and 105,021.19 is: 157,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,474.03 : 223,961.39 = 105,021.19 : x
  2. Step 2: Convert to fraction form
    149,474.03/223,961.39 = 105,021.19/x
  3. Step 3: Cross multiply
    149,474.03x = 223,961.39 × 105,021.19
  4. Step 4: Simplify right side
    149,474.03x = 23,520,691,691.85
  5. Step 5: Solve for x
    x = 23,520,691,691.85/149,474.03
  6. Step 6: Final answer
    x = 157,356.38

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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.