Home / 211,563.26-317,189.37-100,833.02

Finding the Fourth Proportional to 211,563.26, 317,189.37 and 100,833.02

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Solution

The fourth proportional to 211,563.26, 317,189.37 and 100,833.02 is: 151,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,563.26 : 317,189.37 = 100,833.02 : x
  2. Step 2: Convert to fraction form
    211,563.26/317,189.37 = 100,833.02/x
  3. Step 3: Cross multiply
    211,563.26x = 317,189.37 × 100,833.02
  4. Step 4: Simplify right side
    211,563.26x = 31,983,162,089.00
  5. Step 5: Solve for x
    x = 31,983,162,089.00/211,563.26
  6. Step 6: Final answer
    x = 151,175.41

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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.