Home / 143,127.25-197,190.68-110,750.54

Finding the Fourth Proportional to 143,127.25, 197,190.68 and 110,750.54

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Solution

The fourth proportional to 143,127.25, 197,190.68 and 110,750.54 is: 152,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,127.25 : 197,190.68 = 110,750.54 : x
  2. Step 2: Convert to fraction form
    143,127.25/197,190.68 = 110,750.54/x
  3. Step 3: Cross multiply
    143,127.25x = 197,190.68 × 110,750.54
  4. Step 4: Simplify right side
    143,127.25x = 21,838,972,753.26
  5. Step 5: Solve for x
    x = 21,838,972,753.26/143,127.25
  6. Step 6: Final answer
    x = 152,584.31

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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.