Home / 111,745.56-166,565.66-102,777.49

Finding the Fourth Proportional to 111,745.56, 166,565.66 and 102,777.49

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Solution

The fourth proportional to 111,745.56, 166,565.66 and 102,777.49 is: 153,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,745.56 : 166,565.66 = 102,777.49 : x
  2. Step 2: Convert to fraction form
    111,745.56/166,565.66 = 102,777.49/x
  3. Step 3: Cross multiply
    111,745.56x = 166,565.66 × 102,777.49
  4. Step 4: Simplify right side
    111,745.56x = 17,119,200,454.99
  5. Step 5: Solve for x
    x = 17,119,200,454.99/111,745.56
  6. Step 6: Final answer
    x = 153,198.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.