Home / 223,319.28-308,183.04-122,717.28

Finding the Fourth Proportional to 223,319.28, 308,183.04 and 122,717.28

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Solution

The fourth proportional to 223,319.28, 308,183.04 and 122,717.28 is: 169,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,319.28 : 308,183.04 = 122,717.28 : x
  2. Step 2: Convert to fraction form
    223,319.28/308,183.04 = 122,717.28/x
  3. Step 3: Cross multiply
    223,319.28x = 308,183.04 × 122,717.28
  4. Step 4: Simplify right side
    223,319.28x = 37,819,384,410.93
  5. Step 5: Solve for x
    x = 37,819,384,410.93/223,319.28
  6. Step 6: Final answer
    x = 169,351.18

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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.