Home / 307,202.24-423,918.43-192,477.69

Finding the Fourth Proportional to 307,202.24, 423,918.43 and 192,477.69

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Solution

The fourth proportional to 307,202.24, 423,918.43 and 192,477.69 is: 265,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,202.24 : 423,918.43 = 192,477.69 : x
  2. Step 2: Convert to fraction form
    307,202.24/423,918.43 = 192,477.69/x
  3. Step 3: Cross multiply
    307,202.24x = 423,918.43 × 192,477.69
  4. Step 4: Simplify right side
    307,202.24x = 81,594,839,673.63
  5. Step 5: Solve for x
    x = 81,594,839,673.63/307,202.24
  6. Step 6: Final answer
    x = 265,606.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.