Home / 142,023.33-196,137.99-117,911.61

Finding the Fourth Proportional to 142,023.33, 196,137.99 and 117,911.61

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Solution

The fourth proportional to 142,023.33, 196,137.99 and 117,911.61 is: 162,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,023.33 : 196,137.99 = 117,911.61 : x
  2. Step 2: Convert to fraction form
    142,023.33/196,137.99 = 117,911.61/x
  3. Step 3: Cross multiply
    142,023.33x = 196,137.99 × 117,911.61
  4. Step 4: Simplify right side
    142,023.33x = 23,126,946,183.06
  5. Step 5: Solve for x
    x = 23,126,946,183.06/142,023.33
  6. Step 6: Final answer
    x = 162,839.06

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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.