Home / 281,944.08-389,087.82-154,618.56

Finding the Fourth Proportional to 281,944.08, 389,087.82 and 154,618.56

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Solution

The fourth proportional to 281,944.08, 389,087.82 and 154,618.56 is: 213,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,944.08 : 389,087.82 = 154,618.56 : x
  2. Step 2: Convert to fraction form
    281,944.08/389,087.82 = 154,618.56/x
  3. Step 3: Cross multiply
    281,944.08x = 389,087.82 × 154,618.56
  4. Step 4: Simplify right side
    281,944.08x = 60,160,198,441.94
  5. Step 5: Solve for x
    x = 60,160,198,441.94/281,944.08
  6. Step 6: Final answer
    x = 213,376.35

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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.