Home / 446,949.64-670,333.02-131,321.80

Finding the Fourth Proportional to 446,949.64, 670,333.02 and 131,321.80

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Solution

The fourth proportional to 446,949.64, 670,333.02 and 131,321.80 is: 196,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,949.64 : 670,333.02 = 131,321.80 : x
  2. Step 2: Convert to fraction form
    446,949.64/670,333.02 = 131,321.80/x
  3. Step 3: Cross multiply
    446,949.64x = 670,333.02 × 131,321.80
  4. Step 4: Simplify right side
    446,949.64x = 88,029,338,785.84
  5. Step 5: Solve for x
    x = 88,029,338,785.84/446,949.64
  6. Step 6: Final answer
    x = 196,955.83

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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.