Home / 216,511.89-324,546.36-109,697.95

Finding the Fourth Proportional to 216,511.89, 324,546.36 and 109,697.95

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Solution

The fourth proportional to 216,511.89, 324,546.36 and 109,697.95 is: 164,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,511.89 : 324,546.36 = 109,697.95 : x
  2. Step 2: Convert to fraction form
    216,511.89/324,546.36 = 109,697.95/x
  3. Step 3: Cross multiply
    216,511.89x = 324,546.36 × 109,697.95
  4. Step 4: Simplify right side
    216,511.89x = 35,602,070,371.96
  5. Step 5: Solve for x
    x = 35,602,070,371.96/216,511.89
  6. Step 6: Final answer
    x = 164,434.71

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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.