Home / 223,076.19-308,450.66-219,470.75

Finding the Fourth Proportional to 223,076.19, 308,450.66 and 219,470.75

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Solution

The fourth proportional to 223,076.19, 308,450.66 and 219,470.75 is: 303,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,076.19 : 308,450.66 = 219,470.75 : x
  2. Step 2: Convert to fraction form
    223,076.19/308,450.66 = 219,470.75/x
  3. Step 3: Cross multiply
    223,076.19x = 308,450.66 × 219,470.75
  4. Step 4: Simplify right side
    223,076.19x = 67,695,895,048.59
  5. Step 5: Solve for x
    x = 67,695,895,048.59/223,076.19
  6. Step 6: Final answer
    x = 303,465.35

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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.