Home / 106,246.20-159,023.70-82,745.40

Finding the Fourth Proportional to 106,246.20, 159,023.70 and 82,745.40

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Solution

The fourth proportional to 106,246.20, 159,023.70 and 82,745.40 is: 123,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,246.20 : 159,023.70 = 82,745.40 : x
  2. Step 2: Convert to fraction form
    106,246.20/159,023.70 = 82,745.40/x
  3. Step 3: Cross multiply
    106,246.20x = 159,023.70 × 82,745.40
  4. Step 4: Simplify right side
    106,246.20x = 13,158,479,665.98
  5. Step 5: Solve for x
    x = 13,158,479,665.98/106,246.20
  6. Step 6: Final answer
    x = 123,848.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.