Home / 137,866.23-206,976.44-106,296.35

Finding the Fourth Proportional to 137,866.23, 206,976.44 and 106,296.35

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Solution

The fourth proportional to 137,866.23, 206,976.44 and 106,296.35 is: 159,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,866.23 : 206,976.44 = 106,296.35 : x
  2. Step 2: Convert to fraction form
    137,866.23/206,976.44 = 106,296.35/x
  3. Step 3: Cross multiply
    137,866.23x = 206,976.44 × 106,296.35
  4. Step 4: Simplify right side
    137,866.23x = 22,000,840,107.99
  5. Step 5: Solve for x
    x = 22,000,840,107.99/137,866.23
  6. Step 6: Final answer
    x = 159,581.07

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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.