Home / 142,763.07-197,016.39-82,336.26

Finding the Fourth Proportional to 142,763.07, 197,016.39 and 82,336.26

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Solution

The fourth proportional to 142,763.07, 197,016.39 and 82,336.26 is: 113,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,763.07 : 197,016.39 = 82,336.26 : x
  2. Step 2: Convert to fraction form
    142,763.07/197,016.39 = 82,336.26/x
  3. Step 3: Cross multiply
    142,763.07x = 197,016.39 × 82,336.26
  4. Step 4: Simplify right side
    142,763.07x = 16,221,592,711.30
  5. Step 5: Solve for x
    x = 16,221,592,711.30/142,763.07
  6. Step 6: Final answer
    x = 113,625.97

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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.