Home / 223,231.46-308,062.22-121,258.63

Finding the Fourth Proportional to 223,231.46, 308,062.22 and 121,258.63

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Solution

The fourth proportional to 223,231.46, 308,062.22 and 121,258.63 is: 167,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,231.46 : 308,062.22 = 121,258.63 : x
  2. Step 2: Convert to fraction form
    223,231.46/308,062.22 = 121,258.63/x
  3. Step 3: Cross multiply
    223,231.46x = 308,062.22 × 121,258.63
  4. Step 4: Simplify right side
    223,231.46x = 37,355,202,751.96
  5. Step 5: Solve for x
    x = 37,355,202,751.96/223,231.46
  6. Step 6: Final answer
    x = 167,338.43

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1.5x scale

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.