Home / 104,825.28-156,998.38-82,284.65

Finding the Fourth Proportional to 104,825.28, 156,998.38 and 82,284.65

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Solution

The fourth proportional to 104,825.28, 156,998.38 and 82,284.65 is: 123,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,825.28 : 156,998.38 = 82,284.65 : x
  2. Step 2: Convert to fraction form
    104,825.28/156,998.38 = 82,284.65/x
  3. Step 3: Cross multiply
    104,825.28x = 156,998.38 × 82,284.65
  4. Step 4: Simplify right side
    104,825.28x = 12,918,556,748.87
  5. Step 5: Solve for x
    x = 12,918,556,748.87/104,825.28
  6. Step 6: Final answer
    x = 123,238.94

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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.