Home / 446,746.10-670,205.55-131,213.30

Finding the Fourth Proportional to 446,746.10, 670,205.55 and 131,213.30

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Solution

The fourth proportional to 446,746.10, 670,205.55 and 131,213.30 is: 196,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,746.10 : 670,205.55 = 131,213.30 : x
  2. Step 2: Convert to fraction form
    446,746.10/670,205.55 = 131,213.30/x
  3. Step 3: Cross multiply
    446,746.10x = 670,205.55 × 131,213.30
  4. Step 4: Simplify right side
    446,746.10x = 87,939,881,893.82
  5. Step 5: Solve for x
    x = 87,939,881,893.82/446,746.10
  6. Step 6: Final answer
    x = 196,845.33

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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.