Home / 211,967.27-317,997.62-117,335.49

Finding the Fourth Proportional to 211,967.27, 317,997.62 and 117,335.49

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Solution

The fourth proportional to 211,967.27, 317,997.62 and 117,335.49 is: 176,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,967.27 : 317,997.62 = 117,335.49 : x
  2. Step 2: Convert to fraction form
    211,967.27/317,997.62 = 117,335.49/x
  3. Step 3: Cross multiply
    211,967.27x = 317,997.62 × 117,335.49
  4. Step 4: Simplify right side
    211,967.27x = 37,312,404,971.55
  5. Step 5: Solve for x
    x = 37,312,404,971.55/211,967.27
  6. Step 6: Final answer
    x = 176,029.09

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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.