Home / 355,231.36-533,057.20-130,749.44

Finding the Fourth Proportional to 355,231.36, 533,057.20 and 130,749.44

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Solution

The fourth proportional to 355,231.36, 533,057.20 and 130,749.44 is: 196,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,231.36 : 533,057.20 = 130,749.44 : x
  2. Step 2: Convert to fraction form
    355,231.36/533,057.20 = 130,749.44/x
  3. Step 3: Cross multiply
    355,231.36x = 533,057.20 × 130,749.44
  4. Step 4: Simplify right side
    355,231.36x = 69,696,930,387.97
  5. Step 5: Solve for x
    x = 69,696,930,387.97/355,231.36
  6. Step 6: Final answer
    x = 196,201.51

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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.