Home / 449,221.78-673,829.95-112,260.70

Finding the Fourth Proportional to 449,221.78, 673,829.95 and 112,260.70

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Solution

The fourth proportional to 449,221.78, 673,829.95 and 112,260.70 is: 168,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,221.78 : 673,829.95 = 112,260.70 : x
  2. Step 2: Convert to fraction form
    449,221.78/673,829.95 = 112,260.70/x
  3. Step 3: Cross multiply
    449,221.78x = 673,829.95 × 112,260.70
  4. Step 4: Simplify right side
    449,221.78x = 75,644,621,867.97
  5. Step 5: Solve for x
    x = 75,644,621,867.97/449,221.78
  6. Step 6: Final answer
    x = 168,390.37

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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.