Home / 211,489.56-317,282.22-71,244.36

Finding the Fourth Proportional to 211,489.56, 317,282.22 and 71,244.36

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Solution

The fourth proportional to 211,489.56, 317,282.22 and 71,244.36 is: 106,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,489.56 : 317,282.22 = 71,244.36 : x
  2. Step 2: Convert to fraction form
    211,489.56/317,282.22 = 71,244.36/x
  3. Step 3: Cross multiply
    211,489.56x = 317,282.22 × 71,244.36
  4. Step 4: Simplify right side
    211,489.56x = 22,604,568,703.28
  5. Step 5: Solve for x
    x = 22,604,568,703.28/211,489.56
  6. Step 6: Final answer
    x = 106,882.67

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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.