Home / 446,768.80-670,076.40-166,141.60

Finding the Fourth Proportional to 446,768.80, 670,076.40 and 166,141.60

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Solution

The fourth proportional to 446,768.80, 670,076.40 and 166,141.60 is: 249,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,768.80 : 670,076.40 = 166,141.60 : x
  2. Step 2: Convert to fraction form
    446,768.80/670,076.40 = 166,141.60/x
  3. Step 3: Cross multiply
    446,768.80x = 670,076.40 × 166,141.60
  4. Step 4: Simplify right side
    446,768.80x = 111,327,565,218.24
  5. Step 5: Solve for x
    x = 111,327,565,218.24/446,768.80
  6. Step 6: Final answer
    x = 249,183.84

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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.