Home / 272,493.45-408,323.78-114,635.37

Finding the Fourth Proportional to 272,493.45, 408,323.78 and 114,635.37

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Solution

The fourth proportional to 272,493.45, 408,323.78 and 114,635.37 is: 171,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,493.45 : 408,323.78 = 114,635.37 : x
  2. Step 2: Convert to fraction form
    272,493.45/408,323.78 = 114,635.37/x
  3. Step 3: Cross multiply
    272,493.45x = 408,323.78 × 114,635.37
  4. Step 4: Simplify right side
    272,493.45x = 46,808,347,026.92
  5. Step 5: Solve for x
    x = 46,808,347,026.92/272,493.45
  6. Step 6: Final answer
    x = 171,777.88

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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.