Home / 222,443.16-306,967.78-120,467.80

Finding the Fourth Proportional to 222,443.16, 306,967.78 and 120,467.80

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Solution

The fourth proportional to 222,443.16, 306,967.78 and 120,467.80 is: 166,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,443.16 : 306,967.78 = 120,467.80 : x
  2. Step 2: Convert to fraction form
    222,443.16/306,967.78 = 120,467.80/x
  3. Step 3: Cross multiply
    222,443.16x = 306,967.78 × 120,467.80
  4. Step 4: Simplify right side
    222,443.16x = 36,979,733,127.48
  5. Step 5: Solve for x
    x = 36,979,733,127.48/222,443.16
  6. Step 6: Final answer
    x = 166,243.52

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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.