Home / 204,137.22-306,238.68-71,055.30

Finding the Fourth Proportional to 204,137.22, 306,238.68 and 71,055.30

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Solution

The fourth proportional to 204,137.22, 306,238.68 and 71,055.30 is: 106,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,137.22 : 306,238.68 = 71,055.30 : x
  2. Step 2: Convert to fraction form
    204,137.22/306,238.68 = 71,055.30/x
  3. Step 3: Cross multiply
    204,137.22x = 306,238.68 × 71,055.30
  4. Step 4: Simplify right side
    204,137.22x = 21,759,881,279.00
  5. Step 5: Solve for x
    x = 21,759,881,279.00/204,137.22
  6. Step 6: Final answer
    x = 106,594.38

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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.