Home / 355,481.06-533,205.05-89,235.68

Finding the Fourth Proportional to 355,481.06, 533,205.05 and 89,235.68

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Solution

The fourth proportional to 355,481.06, 533,205.05 and 89,235.68 is: 133,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,481.06 : 533,205.05 = 89,235.68 : x
  2. Step 2: Convert to fraction form
    355,481.06/533,205.05 = 89,235.68/x
  3. Step 3: Cross multiply
    355,481.06x = 533,205.05 × 89,235.68
  4. Step 4: Simplify right side
    355,481.06x = 47,580,912,103.98
  5. Step 5: Solve for x
    x = 47,580,912,103.98/355,481.06
  6. Step 6: Final answer
    x = 133,849.36

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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.