Home / 217,120.20-325,726.74-67,357.24

Finding the Fourth Proportional to 217,120.20, 325,726.74 and 67,357.24

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Solution

The fourth proportional to 217,120.20, 325,726.74 and 67,357.24 is: 101,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,120.20 : 325,726.74 = 67,357.24 : x
  2. Step 2: Convert to fraction form
    217,120.20/325,726.74 = 67,357.24/x
  3. Step 3: Cross multiply
    217,120.20x = 325,726.74 × 67,357.24
  4. Step 4: Simplify right side
    217,120.20x = 21,940,054,200.60
  5. Step 5: Solve for x
    x = 21,940,054,200.60/217,120.20
  6. Step 6: Final answer
    x = 101,050.27

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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.