Home / 164,866.89-247,292.61-68,764.42

Finding the Fourth Proportional to 164,866.89, 247,292.61 and 68,764.42

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Solution

The fourth proportional to 164,866.89, 247,292.61 and 68,764.42 is: 103,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,866.89 : 247,292.61 = 68,764.42 : x
  2. Step 2: Convert to fraction form
    164,866.89/247,292.61 = 68,764.42/x
  3. Step 3: Cross multiply
    164,866.89x = 247,292.61 × 68,764.42
  4. Step 4: Simplify right side
    164,866.89x = 17,004,932,896.94
  5. Step 5: Solve for x
    x = 17,004,932,896.94/164,866.89
  6. Step 6: Final answer
    x = 103,143.41

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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.