Home / 211,468.39-317,232.75-69,283.27

Finding the Fourth Proportional to 211,468.39, 317,232.75 and 69,283.27

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Solution

The fourth proportional to 211,468.39, 317,232.75 and 69,283.27 is: 103,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,468.39 : 317,232.75 = 69,283.27 : x
  2. Step 2: Convert to fraction form
    211,468.39/317,232.75 = 69,283.27/x
  3. Step 3: Cross multiply
    211,468.39x = 317,232.75 × 69,283.27
  4. Step 4: Simplify right side
    211,468.39x = 21,978,922,689.72
  5. Step 5: Solve for x
    x = 21,978,922,689.72/211,468.39
  6. Step 6: Final answer
    x = 103,934.79

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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.