Home / 217,137.21-325,771.67-104,796.48

Finding the Fourth Proportional to 217,137.21, 325,771.67 and 104,796.48

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Solution

The fourth proportional to 217,137.21, 325,771.67 and 104,796.48 is: 157,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,137.21 : 325,771.67 = 104,796.48 : x
  2. Step 2: Convert to fraction form
    217,137.21/325,771.67 = 104,796.48/x
  3. Step 3: Cross multiply
    217,137.21x = 325,771.67 × 104,796.48
  4. Step 4: Simplify right side
    217,137.21x = 34,139,725,783.36
  5. Step 5: Solve for x
    x = 34,139,725,783.36/217,137.21
  6. Step 6: Final answer
    x = 157,226.51

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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.