Home / 338,975.36-467,784.96-188,086.40

Finding the Fourth Proportional to 338,975.36, 467,784.96 and 188,086.40

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Solution

The fourth proportional to 338,975.36, 467,784.96 and 188,086.40 is: 259,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,975.36 : 467,784.96 = 188,086.40 : x
  2. Step 2: Convert to fraction form
    338,975.36/467,784.96 = 188,086.40/x
  3. Step 3: Cross multiply
    338,975.36x = 467,784.96 × 188,086.40
  4. Step 4: Simplify right side
    338,975.36x = 87,983,989,100.54
  5. Step 5: Solve for x
    x = 87,983,989,100.54/338,975.36
  6. Step 6: Final answer
    x = 259,558.66

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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.