Home / 211,343.25-317,033.32-53,571.69

Finding the Fourth Proportional to 211,343.25, 317,033.32 and 53,571.69

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Solution

The fourth proportional to 211,343.25, 317,033.32 and 53,571.69 is: 80,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,343.25 : 317,033.32 = 53,571.69 : x
  2. Step 2: Convert to fraction form
    211,343.25/317,033.32 = 53,571.69/x
  3. Step 3: Cross multiply
    211,343.25x = 317,033.32 × 53,571.69
  4. Step 4: Simplify right side
    211,343.25x = 16,984,010,738.71
  5. Step 5: Solve for x
    x = 16,984,010,738.71/211,343.25
  6. Step 6: Final answer
    x = 80,362.21

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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.