Home / 307,113.36-424,078.08-192,584.52

Finding the Fourth Proportional to 307,113.36, 424,078.08 and 192,584.52

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Solution

The fourth proportional to 307,113.36, 424,078.08 and 192,584.52 is: 265,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,113.36 : 424,078.08 = 192,584.52 : x
  2. Step 2: Convert to fraction form
    307,113.36/424,078.08 = 192,584.52/x
  3. Step 3: Cross multiply
    307,113.36x = 424,078.08 × 192,584.52
  4. Step 4: Simplify right side
    307,113.36x = 81,670,873,479.32
  5. Step 5: Solve for x
    x = 81,670,873,479.32/307,113.36
  6. Step 6: Final answer
    x = 265,930.71

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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.