Home / 446,914.80-670,388.40-131,403.60

Finding the Fourth Proportional to 446,914.80, 670,388.40 and 131,403.60

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Solution

The fourth proportional to 446,914.80, 670,388.40 and 131,403.60 is: 197,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,914.80 : 670,388.40 = 131,403.60 : x
  2. Step 2: Convert to fraction form
    446,914.80/670,388.40 = 131,403.60/x
  3. Step 3: Cross multiply
    446,914.80x = 670,388.40 × 131,403.60
  4. Step 4: Simplify right side
    446,914.80x = 88,091,449,158.24
  5. Step 5: Solve for x
    x = 88,091,449,158.24/446,914.80
  6. Step 6: Final answer
    x = 197,110.16

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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.