Home / 186,193.26-256,965.60-109,736.96

Finding the Fourth Proportional to 186,193.26, 256,965.60 and 109,736.96

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Solution

The fourth proportional to 186,193.26, 256,965.60 and 109,736.96 is: 151,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,193.26 : 256,965.60 = 109,736.96 : x
  2. Step 2: Convert to fraction form
    186,193.26/256,965.60 = 109,736.96/x
  3. Step 3: Cross multiply
    186,193.26x = 256,965.60 × 109,736.96
  4. Step 4: Simplify right side
    186,193.26x = 28,198,623,768.58
  5. Step 5: Solve for x
    x = 28,198,623,768.58/186,193.26
  6. Step 6: Final answer
    x = 151,448.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.