Home / 206,583.60-309,284.10-127,163.10

Finding the Fourth Proportional to 206,583.60, 309,284.10 and 127,163.10

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Solution

The fourth proportional to 206,583.60, 309,284.10 and 127,163.10 is: 190,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,583.60 : 309,284.10 = 127,163.10 : x
  2. Step 2: Convert to fraction form
    206,583.60/309,284.10 = 127,163.10/x
  3. Step 3: Cross multiply
    206,583.60x = 309,284.10 × 127,163.10
  4. Step 4: Simplify right side
    206,583.60x = 39,329,524,936.71
  5. Step 5: Solve for x
    x = 39,329,524,936.71/206,583.60
  6. Step 6: Final answer
    x = 190,380.67

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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.