Home / 203,620.13-305,474.06-61,453.50

Finding the Fourth Proportional to 203,620.13, 305,474.06 and 61,453.50

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Solution

The fourth proportional to 203,620.13, 305,474.06 and 61,453.50 is: 92,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,620.13 : 305,474.06 = 61,453.50 : x
  2. Step 2: Convert to fraction form
    203,620.13/305,474.06 = 61,453.50/x
  3. Step 3: Cross multiply
    203,620.13x = 305,474.06 × 61,453.50
  4. Step 4: Simplify right side
    203,620.13x = 18,772,449,838.94
  5. Step 5: Solve for x
    x = 18,772,449,838.94/203,620.13
  6. Step 6: Final answer
    x = 92,193.49

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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.