Home / 325,467.64-488,279.39-135,822.51

Finding the Fourth Proportional to 325,467.64, 488,279.39 and 135,822.51

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Solution

The fourth proportional to 325,467.64, 488,279.39 and 135,822.51 is: 203,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,467.64 : 488,279.39 = 135,822.51 : x
  2. Step 2: Convert to fraction form
    325,467.64/488,279.39 = 135,822.51/x
  3. Step 3: Cross multiply
    325,467.64x = 488,279.39 × 135,822.51
  4. Step 4: Simplify right side
    325,467.64x = 66,319,332,331.07
  5. Step 5: Solve for x
    x = 66,319,332,331.07/325,467.64
  6. Step 6: Final answer
    x = 203,766.29

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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.