Home / 446,780.10-670,256.55-131,247.30

Finding the Fourth Proportional to 446,780.10, 670,256.55 and 131,247.30

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Solution

The fourth proportional to 446,780.10, 670,256.55 and 131,247.30 is: 196,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,780.10 : 670,256.55 = 131,247.30 : x
  2. Step 2: Convert to fraction form
    446,780.10/670,256.55 = 131,247.30/x
  3. Step 3: Cross multiply
    446,780.10x = 670,256.55 × 131,247.30
  4. Step 4: Simplify right side
    446,780.10x = 87,969,362,494.82
  5. Step 5: Solve for x
    x = 87,969,362,494.82/446,780.10
  6. Step 6: Final answer
    x = 196,896.33

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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.