Home / 168,834.57-253,069.61-109,712.67

Finding the Fourth Proportional to 168,834.57, 253,069.61 and 109,712.67

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Solution

The fourth proportional to 168,834.57, 253,069.61 and 109,712.67 is: 164,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,834.57 : 253,069.61 = 109,712.67 : x
  2. Step 2: Convert to fraction form
    168,834.57/253,069.61 = 109,712.67/x
  3. Step 3: Cross multiply
    168,834.57x = 253,069.61 × 109,712.67
  4. Step 4: Simplify right side
    168,834.57x = 27,764,942,060.40
  5. Step 5: Solve for x
    x = 27,764,942,060.40/168,834.57
  6. Step 6: Final answer
    x = 164,450.57

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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.