Home / 192,669.42-288,974.94-52,438.98

Finding the Fourth Proportional to 192,669.42, 288,974.94 and 52,438.98

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Solution

The fourth proportional to 192,669.42, 288,974.94 and 52,438.98 is: 78,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,669.42 : 288,974.94 = 52,438.98 : x
  2. Step 2: Convert to fraction form
    192,669.42/288,974.94 = 52,438.98/x
  3. Step 3: Cross multiply
    192,669.42x = 288,974.94 × 52,438.98
  4. Step 4: Simplify right side
    192,669.42x = 15,153,551,099.16
  5. Step 5: Solve for x
    x = 15,153,551,099.16/192,669.42
  6. Step 6: Final answer
    x = 78,650.53

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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.