Home / 168,974.23-233,168.61-100,977.67

Finding the Fourth Proportional to 168,974.23, 233,168.61 and 100,977.67

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Solution

The fourth proportional to 168,974.23, 233,168.61 and 100,977.67 is: 139,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,974.23 : 233,168.61 = 100,977.67 : x
  2. Step 2: Convert to fraction form
    168,974.23/233,168.61 = 100,977.67/x
  3. Step 3: Cross multiply
    168,974.23x = 233,168.61 × 100,977.67
  4. Step 4: Simplify right side
    168,974.23x = 23,544,821,993.35
  5. Step 5: Solve for x
    x = 23,544,821,993.35/168,974.23
  6. Step 6: Final answer
    x = 139,339.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.