Home / 195,573.63-269,882.25-120,107.55

Finding the Fourth Proportional to 195,573.63, 269,882.25 and 120,107.55

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Solution

The fourth proportional to 195,573.63, 269,882.25 and 120,107.55 is: 165,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,573.63 : 269,882.25 = 120,107.55 : x
  2. Step 2: Convert to fraction form
    195,573.63/269,882.25 = 120,107.55/x
  3. Step 3: Cross multiply
    195,573.63x = 269,882.25 × 120,107.55
  4. Step 4: Simplify right side
    195,573.63x = 32,414,895,835.99
  5. Step 5: Solve for x
    x = 32,414,895,835.99/195,573.63
  6. Step 6: Final answer
    x = 165,742.67

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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.