Home / 197,656.20-272,765.70-107,012.22

Finding the Fourth Proportional to 197,656.20, 272,765.70 and 107,012.22

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Solution

The fourth proportional to 197,656.20, 272,765.70 and 107,012.22 is: 147,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,656.20 : 272,765.70 = 107,012.22 : x
  2. Step 2: Convert to fraction form
    197,656.20/272,765.70 = 107,012.22/x
  3. Step 3: Cross multiply
    197,656.20x = 272,765.70 × 107,012.22
  4. Step 4: Simplify right side
    197,656.20x = 29,189,263,096.85
  5. Step 5: Solve for x
    x = 29,189,263,096.85/197,656.20
  6. Step 6: Final answer
    x = 147,676.94

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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.