Home / 223,111.14-308,499.54-219,506.04

Finding the Fourth Proportional to 223,111.14, 308,499.54 and 219,506.04

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Solution

The fourth proportional to 223,111.14, 308,499.54 and 219,506.04 is: 303,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,111.14 : 308,499.54 = 219,506.04 : x
  2. Step 2: Convert to fraction form
    223,111.14/308,499.54 = 219,506.04/x
  3. Step 3: Cross multiply
    223,111.14x = 308,499.54 × 219,506.04
  4. Step 4: Simplify right side
    223,111.14x = 67,717,512,367.22
  5. Step 5: Solve for x
    x = 67,717,512,367.22/223,111.14
  6. Step 6: Final answer
    x = 303,514.71

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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.