Home / 206,464.22-309,636.83-56,709.39

Finding the Fourth Proportional to 206,464.22, 309,636.83 and 56,709.39

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Solution

The fourth proportional to 206,464.22, 309,636.83 and 56,709.39 is: 85,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,464.22 : 309,636.83 = 56,709.39 : x
  2. Step 2: Convert to fraction form
    206,464.22/309,636.83 = 56,709.39/x
  3. Step 3: Cross multiply
    206,464.22x = 309,636.83 × 56,709.39
  4. Step 4: Simplify right side
    206,464.22x = 17,559,315,863.90
  5. Step 5: Solve for x
    x = 17,559,315,863.90/206,464.22
  6. Step 6: Final answer
    x = 85,047.74

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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.