Home / 197,556.76-272,628.31-106,912.74

Finding the Fourth Proportional to 197,556.76, 272,628.31 and 106,912.74

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Solution

The fourth proportional to 197,556.76, 272,628.31 and 106,912.74 is: 147,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,556.76 : 272,628.31 = 106,912.74 : x
  2. Step 2: Convert to fraction form
    197,556.76/272,628.31 = 106,912.74/x
  3. Step 3: Cross multiply
    197,556.76x = 272,628.31 × 106,912.74
  4. Step 4: Simplify right side
    197,556.76x = 29,147,439,623.67
  5. Step 5: Solve for x
    x = 29,147,439,623.67/197,556.76
  6. Step 6: Final answer
    x = 147,539.57

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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.