Home / 188,231.79-259,881.44-116,688.27

Finding the Fourth Proportional to 188,231.79, 259,881.44 and 116,688.27

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Solution

The fourth proportional to 188,231.79, 259,881.44 and 116,688.27 is: 161,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,231.79 : 259,881.44 = 116,688.27 : x
  2. Step 2: Convert to fraction form
    188,231.79/259,881.44 = 116,688.27/x
  3. Step 3: Cross multiply
    188,231.79x = 259,881.44 × 116,688.27
  4. Step 4: Simplify right side
    188,231.79x = 30,325,115,055.27
  5. Step 5: Solve for x
    x = 30,325,115,055.27/188,231.79
  6. Step 6: Final answer
    x = 161,105.17

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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.