Home / 211,815.58-317,796.28-132,837.34

Finding the Fourth Proportional to 211,815.58, 317,796.28 and 132,837.34

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Solution

The fourth proportional to 211,815.58, 317,796.28 and 132,837.34 is: 199,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,815.58 : 317,796.28 = 132,837.34 : x
  2. Step 2: Convert to fraction form
    211,815.58/317,796.28 = 132,837.34/x
  3. Step 3: Cross multiply
    211,815.58x = 317,796.28 × 132,837.34
  4. Step 4: Simplify right side
    211,815.58x = 42,215,212,497.10
  5. Step 5: Solve for x
    x = 42,215,212,497.10/211,815.58
  6. Step 6: Final answer
    x = 199,301.73

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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.