Home / 109,193.11-163,790.57-34,311.59

Finding the Fourth Proportional to 109,193.11, 163,790.57 and 34,311.59

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Solution

The fourth proportional to 109,193.11, 163,790.57 and 34,311.59 is: 51,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,193.11 : 163,790.57 = 34,311.59 : x
  2. Step 2: Convert to fraction form
    109,193.11/163,790.57 = 34,311.59/x
  3. Step 3: Cross multiply
    109,193.11x = 163,790.57 × 34,311.59
  4. Step 4: Simplify right side
    109,193.11x = 5,619,914,883.71
  5. Step 5: Solve for x
    x = 5,619,914,883.71/109,193.11
  6. Step 6: Final answer
    x = 51,467.67

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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.