Home / 192,390.33-288,585.50-52,148.96

Finding the Fourth Proportional to 192,390.33, 288,585.50 and 52,148.96

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Solution

The fourth proportional to 192,390.33, 288,585.50 and 52,148.96 is: 78,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,390.33 : 288,585.50 = 52,148.96 : x
  2. Step 2: Convert to fraction form
    192,390.33/288,585.50 = 52,148.96/x
  3. Step 3: Cross multiply
    192,390.33x = 288,585.50 × 52,148.96
  4. Step 4: Simplify right side
    192,390.33x = 15,049,431,992.41
  5. Step 5: Solve for x
    x = 15,049,431,992.41/192,390.33
  6. Step 6: Final answer
    x = 78,223.43

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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.