Home / 105,910.52-146,149.26-58,166.96

Finding the Fourth Proportional to 105,910.52, 146,149.26 and 58,166.96

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Solution

The fourth proportional to 105,910.52, 146,149.26 and 58,166.96 is: 80,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,910.52 : 146,149.26 = 58,166.96 : x
  2. Step 2: Convert to fraction form
    105,910.52/146,149.26 = 58,166.96/x
  3. Step 3: Cross multiply
    105,910.52x = 146,149.26 × 58,166.96
  4. Step 4: Simplify right side
    105,910.52x = 8,501,058,160.45
  5. Step 5: Solve for x
    x = 8,501,058,160.45/105,910.52
  6. Step 6: Final answer
    x = 80,266.42

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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.