Home / 197,391.20-272,396.46-111,350.37

Finding the Fourth Proportional to 197,391.20, 272,396.46 and 111,350.37

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Solution

The fourth proportional to 197,391.20, 272,396.46 and 111,350.37 is: 153,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,391.20 : 272,396.46 = 111,350.37 : x
  2. Step 2: Convert to fraction form
    197,391.20/272,396.46 = 111,350.37/x
  3. Step 3: Cross multiply
    197,391.20x = 272,396.46 × 111,350.37
  4. Step 4: Simplify right side
    197,391.20x = 30,331,445,245.71
  5. Step 5: Solve for x
    x = 30,331,445,245.71/197,391.20
  6. Step 6: Final answer
    x = 153,661.59

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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.