Home / 446,925.80-670,404.90-131,414.60

Finding the Fourth Proportional to 446,925.80, 670,404.90 and 131,414.60

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Solution

The fourth proportional to 446,925.80, 670,404.90 and 131,414.60 is: 197,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,925.80 : 670,404.90 = 131,414.60 : x
  2. Step 2: Convert to fraction form
    446,925.80/670,404.90 = 131,414.60/x
  3. Step 3: Cross multiply
    446,925.80x = 670,404.90 × 131,414.60
  4. Step 4: Simplify right side
    446,925.80x = 88,100,991,771.54
  5. Step 5: Solve for x
    x = 88,100,991,771.54/446,925.80
  6. Step 6: Final answer
    x = 197,126.66

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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.