Home / 383,162.97-528,764.78-222,111.51

Finding the Fourth Proportional to 383,162.97, 528,764.78 and 222,111.51

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Solution

The fourth proportional to 383,162.97, 528,764.78 and 222,111.51 is: 306,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,162.97 : 528,764.78 = 222,111.51 : x
  2. Step 2: Convert to fraction form
    383,162.97/528,764.78 = 222,111.51/x
  3. Step 3: Cross multiply
    383,162.97x = 528,764.78 × 222,111.51
  4. Step 4: Simplify right side
    383,162.97x = 117,444,742,610.06
  5. Step 5: Solve for x
    x = 117,444,742,610.06/383,162.97
  6. Step 6: Final answer
    x = 306,513.81

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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.