Home / 298,958.56-412,512.07-171,631.42

Finding the Fourth Proportional to 298,958.56, 412,512.07 and 171,631.42

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Solution

The fourth proportional to 298,958.56, 412,512.07 and 171,631.42 is: 236,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,958.56 : 412,512.07 = 171,631.42 : x
  2. Step 2: Convert to fraction form
    298,958.56/412,512.07 = 171,631.42/x
  3. Step 3: Cross multiply
    298,958.56x = 412,512.07 × 171,631.42
  4. Step 4: Simplify right side
    298,958.56x = 70,800,032,341.24
  5. Step 5: Solve for x
    x = 70,800,032,341.24/298,958.56
  6. Step 6: Final answer
    x = 236,822.23

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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.