Home / 203,510.11-305,309.25-61,343.50

Finding the Fourth Proportional to 203,510.11, 305,309.25 and 61,343.50

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Solution

The fourth proportional to 203,510.11, 305,309.25 and 61,343.50 is: 92,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,510.11 : 305,309.25 = 61,343.50 : x
  2. Step 2: Convert to fraction form
    203,510.11/305,309.25 = 61,343.50/x
  3. Step 3: Cross multiply
    203,510.11x = 305,309.25 × 61,343.50
  4. Step 4: Simplify right side
    203,510.11x = 18,728,737,977.38
  5. Step 5: Solve for x
    x = 18,728,737,977.38/203,510.11
  6. Step 6: Final answer
    x = 92,028.54

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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.