Home / 192,347.10-288,519.03-52,104.78

Finding the Fourth Proportional to 192,347.10, 288,519.03 and 52,104.78

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Solution

The fourth proportional to 192,347.10, 288,519.03 and 52,104.78 is: 78,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,347.10 : 288,519.03 = 52,104.78 : x
  2. Step 2: Convert to fraction form
    192,347.10/288,519.03 = 52,104.78/x
  3. Step 3: Cross multiply
    192,347.10x = 288,519.03 × 52,104.78
  4. Step 4: Simplify right side
    192,347.10x = 15,033,220,583.96
  5. Step 5: Solve for x
    x = 15,033,220,583.96/192,347.10
  6. Step 6: Final answer
    x = 78,156.73

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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.