Home / 202,023.75-278,777.19-111,379.44

Finding the Fourth Proportional to 202,023.75, 278,777.19 and 111,379.44

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Solution

The fourth proportional to 202,023.75, 278,777.19 and 111,379.44 is: 153,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,023.75 : 278,777.19 = 111,379.44 : x
  2. Step 2: Convert to fraction form
    202,023.75/278,777.19 = 111,379.44/x
  3. Step 3: Cross multiply
    202,023.75x = 278,777.19 × 111,379.44
  4. Step 4: Simplify right side
    202,023.75x = 31,050,047,306.97
  5. Step 5: Solve for x
    x = 31,050,047,306.97/202,023.75
  6. Step 6: Final answer
    x = 153,695.03

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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.