Home / 92,198.52-138,095.42-76,222.49

Finding the Fourth Proportional to 92,198.52, 138,095.42 and 76,222.49

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Solution

The fourth proportional to 92,198.52, 138,095.42 and 76,222.49 is: 114,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,198.52 : 138,095.42 = 76,222.49 : x
  2. Step 2: Convert to fraction form
    92,198.52/138,095.42 = 76,222.49/x
  3. Step 3: Cross multiply
    92,198.52x = 138,095.42 × 76,222.49
  4. Step 4: Simplify right side
    92,198.52x = 10,525,975,698.41
  5. Step 5: Solve for x
    x = 10,525,975,698.41/92,198.52
  6. Step 6: Final answer
    x = 114,166.43

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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.