Home / 222,231.02-306,686.13-121,629.02

Finding the Fourth Proportional to 222,231.02, 306,686.13 and 121,629.02

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Solution

The fourth proportional to 222,231.02, 306,686.13 and 121,629.02 is: 167,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,231.02 : 306,686.13 = 121,629.02 : x
  2. Step 2: Convert to fraction form
    222,231.02/306,686.13 = 121,629.02/x
  3. Step 3: Cross multiply
    222,231.02x = 306,686.13 × 121,629.02
  4. Step 4: Simplify right side
    222,231.02x = 37,301,933,439.49
  5. Step 5: Solve for x
    x = 37,301,933,439.49/222,231.02
  6. Step 6: Final answer
    x = 167,852.06

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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.