Home / 168,410.40-251,382.54-148,481.88

Finding the Fourth Proportional to 168,410.40, 251,382.54 and 148,481.88

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Solution

The fourth proportional to 168,410.40, 251,382.54 and 148,481.88 is: 221,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,410.40 : 251,382.54 = 148,481.88 : x
  2. Step 2: Convert to fraction form
    168,410.40/251,382.54 = 148,481.88/x
  3. Step 3: Cross multiply
    168,410.40x = 251,382.54 × 148,481.88
  4. Step 4: Simplify right side
    168,410.40x = 37,325,752,138.38
  5. Step 5: Solve for x
    x = 37,325,752,138.38/168,410.40
  6. Step 6: Final answer
    x = 221,635.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.