Home / 149,705.91-206,545.09-106,692.17

Finding the Fourth Proportional to 149,705.91, 206,545.09 and 106,692.17

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Solution

The fourth proportional to 149,705.91, 206,545.09 and 106,692.17 is: 147,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,705.91 : 206,545.09 = 106,692.17 : x
  2. Step 2: Convert to fraction form
    149,705.91/206,545.09 = 106,692.17/x
  3. Step 3: Cross multiply
    149,705.91x = 206,545.09 × 106,692.17
  4. Step 4: Simplify right side
    149,705.91x = 22,036,743,321.48
  5. Step 5: Solve for x
    x = 22,036,743,321.48/149,705.91
  6. Step 6: Final answer
    x = 147,200.23

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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.