Home / 308,032.38-462,048.26-115,942.68

Finding the Fourth Proportional to 308,032.38, 462,048.26 and 115,942.68

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Solution

The fourth proportional to 308,032.38, 462,048.26 and 115,942.68 is: 173,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,032.38 : 462,048.26 = 115,942.68 : x
  2. Step 2: Convert to fraction form
    308,032.38/462,048.26 = 115,942.68/x
  3. Step 3: Cross multiply
    308,032.38x = 462,048.26 × 115,942.68
  4. Step 4: Simplify right side
    308,032.38x = 53,571,112,974.02
  5. Step 5: Solve for x
    x = 53,571,112,974.02/308,032.38
  6. Step 6: Final answer
    x = 173,913.90

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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.