Home / 216,828.23-325,273.32-67,081.30

Finding the Fourth Proportional to 216,828.23, 325,273.32 and 67,081.30

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Solution

The fourth proportional to 216,828.23, 325,273.32 and 67,081.30 is: 100,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,828.23 : 325,273.32 = 67,081.30 : x
  2. Step 2: Convert to fraction form
    216,828.23/325,273.32 = 67,081.30/x
  3. Step 3: Cross multiply
    216,828.23x = 325,273.32 × 67,081.30
  4. Step 4: Simplify right side
    216,828.23x = 21,819,756,347.73
  5. Step 5: Solve for x
    x = 21,819,756,347.73/216,828.23
  6. Step 6: Final answer
    x = 100,631.53

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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.