Home / 198,586.75-274,181.69-152,564.43

Finding the Fourth Proportional to 198,586.75, 274,181.69 and 152,564.43

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Solution

The fourth proportional to 198,586.75, 274,181.69 and 152,564.43 is: 210,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,586.75 : 274,181.69 = 152,564.43 : x
  2. Step 2: Convert to fraction form
    198,586.75/274,181.69 = 152,564.43/x
  3. Step 3: Cross multiply
    198,586.75x = 274,181.69 × 152,564.43
  4. Step 4: Simplify right side
    198,586.75x = 41,830,373,251.29
  5. Step 5: Solve for x
    x = 41,830,373,251.29/198,586.75
  6. Step 6: Final answer
    x = 210,640.30

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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.