Home / 111,140.10-166,704.27-31,183.63

Finding the Fourth Proportional to 111,140.10, 166,704.27 and 31,183.63

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Solution

The fourth proportional to 111,140.10, 166,704.27 and 31,183.63 is: 46,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.10 : 166,704.27 = 31,183.63 : x
  2. Step 2: Convert to fraction form
    111,140.10/166,704.27 = 31,183.63/x
  3. Step 3: Cross multiply
    111,140.10x = 166,704.27 × 31,183.63
  4. Step 4: Simplify right side
    111,140.10x = 5,198,444,275.10
  5. Step 5: Solve for x
    x = 5,198,444,275.10/111,140.10
  6. Step 6: Final answer
    x = 46,773.80

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1.5x scale

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.