Home / 217,805.36-326,634.30-82,837.35

Finding the Fourth Proportional to 217,805.36, 326,634.30 and 82,837.35

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Solution

The fourth proportional to 217,805.36, 326,634.30 and 82,837.35 is: 124,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,805.36 : 326,634.30 = 82,837.35 : x
  2. Step 2: Convert to fraction form
    217,805.36/326,634.30 = 82,837.35/x
  3. Step 3: Cross multiply
    217,805.36x = 326,634.30 × 82,837.35
  4. Step 4: Simplify right side
    217,805.36x = 27,057,519,831.11
  5. Step 5: Solve for x
    x = 27,057,519,831.11/217,805.36
  6. Step 6: Final answer
    x = 124,227.98

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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.