Home / 211,464.10-317,196.63-71,321.14

Finding the Fourth Proportional to 211,464.10, 317,196.63 and 71,321.14

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Solution

The fourth proportional to 211,464.10, 317,196.63 and 71,321.14 is: 106,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,464.10 : 317,196.63 = 71,321.14 : x
  2. Step 2: Convert to fraction form
    211,464.10/317,196.63 = 71,321.14/x
  3. Step 3: Cross multiply
    211,464.10x = 317,196.63 × 71,321.14
  4. Step 4: Simplify right side
    211,464.10x = 22,622,825,255.76
  5. Step 5: Solve for x
    x = 22,622,825,255.76/211,464.10
  6. Step 6: Final answer
    x = 106,981.87

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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.