Home / 211,849.40-318,928.36-182,922.68

Finding the Fourth Proportional to 211,849.40, 318,928.36 and 182,922.68

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Solution

The fourth proportional to 211,849.40, 318,928.36 and 182,922.68 is: 275,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,849.40 : 318,928.36 = 182,922.68 : x
  2. Step 2: Convert to fraction form
    211,849.40/318,928.36 = 182,922.68/x
  3. Step 3: Cross multiply
    211,849.40x = 318,928.36 × 182,922.68
  4. Step 4: Simplify right side
    211,849.40x = 58,339,230,339.20
  5. Step 5: Solve for x
    x = 58,339,230,339.20/211,849.40
  6. Step 6: Final answer
    x = 275,380.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.