Home / 262,811.78-394,466.70-162,669.02

Finding the Fourth Proportional to 262,811.78, 394,466.70 and 162,669.02

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Solution

The fourth proportional to 262,811.78, 394,466.70 and 162,669.02 is: 244,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,811.78 : 394,466.70 = 162,669.02 : x
  2. Step 2: Convert to fraction form
    262,811.78/394,466.70 = 162,669.02/x
  3. Step 3: Cross multiply
    262,811.78x = 394,466.70 × 162,669.02
  4. Step 4: Simplify right side
    262,811.78x = 64,167,511,511.63
  5. Step 5: Solve for x
    x = 64,167,511,511.63/262,811.78
  6. Step 6: Final answer
    x = 244,157.67

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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.