Home / 142,626.62-196,868.48-82,237.48

Finding the Fourth Proportional to 142,626.62, 196,868.48 and 82,237.48

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Solution

The fourth proportional to 142,626.62, 196,868.48 and 82,237.48 is: 113,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,626.62 : 196,868.48 = 82,237.48 : x
  2. Step 2: Convert to fraction form
    142,626.62/196,868.48 = 82,237.48/x
  3. Step 3: Cross multiply
    142,626.62x = 196,868.48 × 82,237.48
  4. Step 4: Simplify right side
    142,626.62x = 16,189,966,783.27
  5. Step 5: Solve for x
    x = 16,189,966,783.27/142,626.62
  6. Step 6: Final answer
    x = 113,512.94

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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.