Home / 109,193.23-163,790.76-34,311.72

Finding the Fourth Proportional to 109,193.23, 163,790.76 and 34,311.72

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Solution

The fourth proportional to 109,193.23, 163,790.76 and 34,311.72 is: 51,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,193.23 : 163,790.76 = 34,311.72 : x
  2. Step 2: Convert to fraction form
    109,193.23/163,790.76 = 34,311.72/x
  3. Step 3: Cross multiply
    109,193.23x = 163,790.76 × 34,311.72
  4. Step 4: Simplify right side
    109,193.23x = 5,619,942,524.15
  5. Step 5: Solve for x
    x = 5,619,942,524.15/109,193.23
  6. Step 6: Final answer
    x = 51,467.87

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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.