Home / 294,021.33-405,782.16-164,981.04

Finding the Fourth Proportional to 294,021.33, 405,782.16 and 164,981.04

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Solution

The fourth proportional to 294,021.33, 405,782.16 and 164,981.04 is: 227,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,021.33 : 405,782.16 = 164,981.04 : x
  2. Step 2: Convert to fraction form
    294,021.33/405,782.16 = 164,981.04/x
  3. Step 3: Cross multiply
    294,021.33x = 405,782.16 × 164,981.04
  4. Step 4: Simplify right side
    294,021.33x = 66,946,362,770.25
  5. Step 5: Solve for x
    x = 66,946,362,770.25/294,021.33
  6. Step 6: Final answer
    x = 227,692.20

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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.