Home / 192,582.54-288,942.16-85,956.78

Finding the Fourth Proportional to 192,582.54, 288,942.16 and 85,956.78

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Solution

The fourth proportional to 192,582.54, 288,942.16 and 85,956.78 is: 128,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,582.54 : 288,942.16 = 85,956.78 : x
  2. Step 2: Convert to fraction form
    192,582.54/288,942.16 = 85,956.78/x
  3. Step 3: Cross multiply
    192,582.54x = 288,942.16 × 85,956.78
  4. Step 4: Simplify right side
    192,582.54x = 24,836,537,679.84
  5. Step 5: Solve for x
    x = 24,836,537,679.84/192,582.54
  6. Step 6: Final answer
    x = 128,965.68

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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.