Home / 197,664.75-272,779.56-107,022.60

Finding the Fourth Proportional to 197,664.75, 272,779.56 and 107,022.60

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Solution

The fourth proportional to 197,664.75, 272,779.56 and 107,022.60 is: 147,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,664.75 : 272,779.56 = 107,022.60 : x
  2. Step 2: Convert to fraction form
    197,664.75/272,779.56 = 107,022.60/x
  3. Step 3: Cross multiply
    197,664.75x = 272,779.56 × 107,022.60
  4. Step 4: Simplify right side
    197,664.75x = 29,193,577,738.06
  5. Step 5: Solve for x
    x = 29,193,577,738.06/197,664.75
  6. Step 6: Final answer
    x = 147,692.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.