Home / 166,940.21-250,421.79-67,100.49

Finding the Fourth Proportional to 166,940.21, 250,421.79 and 67,100.49

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Solution

The fourth proportional to 166,940.21, 250,421.79 and 67,100.49 is: 100,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,940.21 : 250,421.79 = 67,100.49 : x
  2. Step 2: Convert to fraction form
    166,940.21/250,421.79 = 67,100.49/x
  3. Step 3: Cross multiply
    166,940.21x = 250,421.79 × 67,100.49
  4. Step 4: Simplify right side
    166,940.21x = 16,803,424,815.68
  5. Step 5: Solve for x
    x = 16,803,424,815.68/166,940.21
  6. Step 6: Final answer
    x = 100,655.35

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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.