Home / 119,882.34-165,425.85-66,163.89

Finding the Fourth Proportional to 119,882.34, 165,425.85 and 66,163.89

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Solution

The fourth proportional to 119,882.34, 165,425.85 and 66,163.89 is: 91,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882.34 : 165,425.85 = 66,163.89 : x
  2. Step 2: Convert to fraction form
    119,882.34/165,425.85 = 66,163.89/x
  3. Step 3: Cross multiply
    119,882.34x = 165,425.85 × 66,163.89
  4. Step 4: Simplify right side
    119,882.34x = 10,945,217,742.56
  5. Step 5: Solve for x
    x = 10,945,217,742.56/119,882.34
  6. Step 6: Final answer
    x = 91,299.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.