Home / 186,436.26-279,766.82-66,484.09

Finding the Fourth Proportional to 186,436.26, 279,766.82 and 66,484.09

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Solution

The fourth proportional to 186,436.26, 279,766.82 and 66,484.09 is: 99,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,436.26 : 279,766.82 = 66,484.09 : x
  2. Step 2: Convert to fraction form
    186,436.26/279,766.82 = 66,484.09/x
  3. Step 3: Cross multiply
    186,436.26x = 279,766.82 × 66,484.09
  4. Step 4: Simplify right side
    186,436.26x = 18,600,042,107.47
  5. Step 5: Solve for x
    x = 18,600,042,107.47/186,436.26
  6. Step 6: Final answer
    x = 99,766.23

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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.