Home / 168,668.75-232,740.34-108,321.12

Finding the Fourth Proportional to 168,668.75, 232,740.34 and 108,321.12

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Solution

The fourth proportional to 168,668.75, 232,740.34 and 108,321.12 is: 149,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,668.75 : 232,740.34 = 108,321.12 : x
  2. Step 2: Convert to fraction form
    168,668.75/232,740.34 = 108,321.12/x
  3. Step 3: Cross multiply
    168,668.75x = 232,740.34 × 108,321.12
  4. Step 4: Simplify right side
    168,668.75x = 25,210,694,027.18
  5. Step 5: Solve for x
    x = 25,210,694,027.18/168,668.75
  6. Step 6: Final answer
    x = 149,468.67

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1.5x scale

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.