Home / 259,022.56-388,261.68-118,665.76

Finding the Fourth Proportional to 259,022.56, 388,261.68 and 118,665.76

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Solution

The fourth proportional to 259,022.56, 388,261.68 and 118,665.76 is: 177,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,022.56 : 388,261.68 = 118,665.76 : x
  2. Step 2: Convert to fraction form
    259,022.56/388,261.68 = 118,665.76/x
  3. Step 3: Cross multiply
    259,022.56x = 388,261.68 × 118,665.76
  4. Step 4: Simplify right side
    259,022.56x = 46,073,367,336.08
  5. Step 5: Solve for x
    x = 46,073,367,336.08/259,022.56
  6. Step 6: Final answer
    x = 177,873.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.