Home / 188,256.56-259,821.26-112,812.08

Finding the Fourth Proportional to 188,256.56, 259,821.26 and 112,812.08

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Solution

The fourth proportional to 188,256.56, 259,821.26 and 112,812.08 is: 155,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,256.56 : 259,821.26 = 112,812.08 : x
  2. Step 2: Convert to fraction form
    188,256.56/259,821.26 = 112,812.08/x
  3. Step 3: Cross multiply
    188,256.56x = 259,821.26 × 112,812.08
  4. Step 4: Simplify right side
    188,256.56x = 29,310,976,768.82
  5. Step 5: Solve for x
    x = 29,310,976,768.82/188,256.56
  6. Step 6: Final answer
    x = 155,696.97

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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.