Home / 211,382.42-317,069.97-71,141.04

Finding the Fourth Proportional to 211,382.42, 317,069.97 and 71,141.04

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Solution

The fourth proportional to 211,382.42, 317,069.97 and 71,141.04 is: 106,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,382.42 : 317,069.97 = 71,141.04 : x
  2. Step 2: Convert to fraction form
    211,382.42/317,069.97 = 71,141.04/x
  3. Step 3: Cross multiply
    211,382.42x = 317,069.97 × 71,141.04
  4. Step 4: Simplify right side
    211,382.42x = 22,556,687,151.79
  5. Step 5: Solve for x
    x = 22,556,687,151.79/211,382.42
  6. Step 6: Final answer
    x = 106,710.33

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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.