Home / 166,958.49-250,519.95-78,196.67

Finding the Fourth Proportional to 166,958.49, 250,519.95 and 78,196.67

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Solution

The fourth proportional to 166,958.49, 250,519.95 and 78,196.67 is: 117,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,958.49 : 250,519.95 = 78,196.67 : x
  2. Step 2: Convert to fraction form
    166,958.49/250,519.95 = 78,196.67/x
  3. Step 3: Cross multiply
    166,958.49x = 250,519.95 × 78,196.67
  4. Step 4: Simplify right side
    166,958.49x = 19,589,824,605.97
  5. Step 5: Solve for x
    x = 19,589,824,605.97/166,958.49
  6. Step 6: Final answer
    x = 117,333.50

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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.