Home / 446,418.80-669,551.40-165,791.60

Finding the Fourth Proportional to 446,418.80, 669,551.40 and 165,791.60

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Solution

The fourth proportional to 446,418.80, 669,551.40 and 165,791.60 is: 248,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,418.80 : 669,551.40 = 165,791.60 : x
  2. Step 2: Convert to fraction form
    446,418.80/669,551.40 = 165,791.60/x
  3. Step 3: Cross multiply
    446,418.80x = 669,551.40 × 165,791.60
  4. Step 4: Simplify right side
    446,418.80x = 111,005,997,888.24
  5. Step 5: Solve for x
    x = 111,005,997,888.24/446,418.80
  6. Step 6: Final answer
    x = 248,658.88

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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.