Home / 383,162.47-528,764.09-222,111.01

Finding the Fourth Proportional to 383,162.47, 528,764.09 and 222,111.01

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Solution

The fourth proportional to 383,162.47, 528,764.09 and 222,111.01 is: 306,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,162.47 : 528,764.09 = 222,111.01 : x
  2. Step 2: Convert to fraction form
    383,162.47/528,764.09 = 222,111.01/x
  3. Step 3: Cross multiply
    383,162.47x = 528,764.09 × 222,111.01
  4. Step 4: Simplify right side
    383,162.47x = 117,444,324,971.08
  5. Step 5: Solve for x
    x = 117,444,324,971.08/383,162.47
  6. Step 6: Final answer
    x = 306,513.12

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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.