Home / 170,072.58-234,621.64-109,662.62

Finding the Fourth Proportional to 170,072.58, 234,621.64 and 109,662.62

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Solution

The fourth proportional to 170,072.58, 234,621.64 and 109,662.62 is: 151,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,072.58 : 234,621.64 = 109,662.62 : x
  2. Step 2: Convert to fraction form
    170,072.58/234,621.64 = 109,662.62/x
  3. Step 3: Cross multiply
    170,072.58x = 234,621.64 × 109,662.62
  4. Step 4: Simplify right side
    170,072.58x = 25,729,224,063.49
  5. Step 5: Solve for x
    x = 25,729,224,063.49/170,072.58
  6. Step 6: Final answer
    x = 151,283.79

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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.