Home / 282,025.49-422,992.80-82,299.06

Finding the Fourth Proportional to 282,025.49, 422,992.80 and 82,299.06

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Solution

The fourth proportional to 282,025.49, 422,992.80 and 82,299.06 is: 123,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,025.49 : 422,992.80 = 82,299.06 : x
  2. Step 2: Convert to fraction form
    282,025.49/422,992.80 = 82,299.06/x
  3. Step 3: Cross multiply
    282,025.49x = 422,992.80 × 82,299.06
  4. Step 4: Simplify right side
    282,025.49x = 34,811,909,826.77
  5. Step 5: Solve for x
    x = 34,811,909,826.77/282,025.49
  6. Step 6: Final answer
    x = 123,435.33

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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.