Home / 166,890.72-250,351.47-54,571.52

Finding the Fourth Proportional to 166,890.72, 250,351.47 and 54,571.52

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Solution

The fourth proportional to 166,890.72, 250,351.47 and 54,571.52 is: 81,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,890.72 : 250,351.47 = 54,571.52 : x
  2. Step 2: Convert to fraction form
    166,890.72/250,351.47 = 54,571.52/x
  3. Step 3: Cross multiply
    166,890.72x = 250,351.47 × 54,571.52
  4. Step 4: Simplify right side
    166,890.72x = 13,662,060,252.13
  5. Step 5: Solve for x
    x = 13,662,060,252.13/166,890.72
  6. Step 6: Final answer
    x = 81,862.31

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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.