Home / 307,583.73-461,399.75-82,940.78

Finding the Fourth Proportional to 307,583.73, 461,399.75 and 82,940.78

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Solution

The fourth proportional to 307,583.73, 461,399.75 and 82,940.78 is: 124,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,583.73 : 461,399.75 = 82,940.78 : x
  2. Step 2: Convert to fraction form
    307,583.73/461,399.75 = 82,940.78/x
  3. Step 3: Cross multiply
    307,583.73x = 461,399.75 × 82,940.78
  4. Step 4: Simplify right side
    307,583.73x = 38,268,855,156.81
  5. Step 5: Solve for x
    x = 38,268,855,156.81/307,583.73
  6. Step 6: Final answer
    x = 124,417.68

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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.