Home / 150,620.04-207,857.78-82,635.78

Finding the Fourth Proportional to 150,620.04, 207,857.78 and 82,635.78

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Solution

The fourth proportional to 150,620.04, 207,857.78 and 82,635.78 is: 114,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,620.04 : 207,857.78 = 82,635.78 : x
  2. Step 2: Convert to fraction form
    150,620.04/207,857.78 = 82,635.78/x
  3. Step 3: Cross multiply
    150,620.04x = 207,857.78 × 82,635.78
  4. Step 4: Simplify right side
    150,620.04x = 17,176,488,846.55
  5. Step 5: Solve for x
    x = 17,176,488,846.55/150,620.04
  6. Step 6: Final answer
    x = 114,038.54

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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.