Home / 307,839.15-461,804.90-108,124.34

Finding the Fourth Proportional to 307,839.15, 461,804.90 and 108,124.34

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Solution

The fourth proportional to 307,839.15, 461,804.90 and 108,124.34 is: 162,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,839.15 : 461,804.90 = 108,124.34 : x
  2. Step 2: Convert to fraction form
    307,839.15/461,804.90 = 108,124.34/x
  3. Step 3: Cross multiply
    307,839.15x = 461,804.90 × 108,124.34
  4. Step 4: Simplify right side
    307,839.15x = 49,932,350,021.27
  5. Step 5: Solve for x
    x = 49,932,350,021.27/307,839.15
  6. Step 6: Final answer
    x = 162,202.73

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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.