Home / 211,582.20-317,163.06-106,079.16

Finding the Fourth Proportional to 211,582.20, 317,163.06 and 106,079.16

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Solution

The fourth proportional to 211,582.20, 317,163.06 and 106,079.16 is: 159,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,582.20 : 317,163.06 = 106,079.16 : x
  2. Step 2: Convert to fraction form
    211,582.20/317,163.06 = 106,079.16/x
  3. Step 3: Cross multiply
    211,582.20x = 317,163.06 × 106,079.16
  4. Step 4: Simplify right side
    211,582.20x = 33,644,390,987.83
  5. Step 5: Solve for x
    x = 33,644,390,987.83/211,582.20
  6. Step 6: Final answer
    x = 159,013.33

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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.