Home / 317,935.68-477,308.20-206,083.94

Finding the Fourth Proportional to 317,935.68, 477,308.20 and 206,083.94

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Solution

The fourth proportional to 317,935.68, 477,308.20 and 206,083.94 is: 309,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,935.68 : 477,308.20 = 206,083.94 : x
  2. Step 2: Convert to fraction form
    317,935.68/477,308.20 = 206,083.94/x
  3. Step 3: Cross multiply
    317,935.68x = 477,308.20 × 206,083.94
  4. Step 4: Simplify right side
    317,935.68x = 98,365,554,450.31
  5. Step 5: Solve for x
    x = 98,365,554,450.31/317,935.68
  6. Step 6: Final answer
    x = 309,388.22

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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.