Home / 142,734.92-196,995.16-82,293.74

Finding the Fourth Proportional to 142,734.92, 196,995.16 and 82,293.74

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Solution

The fourth proportional to 142,734.92, 196,995.16 and 82,293.74 is: 113,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,734.92 : 196,995.16 = 82,293.74 : x
  2. Step 2: Convert to fraction form
    142,734.92/196,995.16 = 82,293.74/x
  3. Step 3: Cross multiply
    142,734.92x = 196,995.16 × 82,293.74
  4. Step 4: Simplify right side
    142,734.92x = 16,211,467,081.85
  5. Step 5: Solve for x
    x = 16,211,467,081.85/142,734.92
  6. Step 6: Final answer
    x = 113,577.44

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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.