Home / 293,928.75-405,152.94-221,222.37

Finding the Fourth Proportional to 293,928.75, 405,152.94 and 221,222.37

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Solution

The fourth proportional to 293,928.75, 405,152.94 and 221,222.37 is: 304,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,928.75 : 405,152.94 = 221,222.37 : x
  2. Step 2: Convert to fraction form
    293,928.75/405,152.94 = 221,222.37/x
  3. Step 3: Cross multiply
    293,928.75x = 405,152.94 × 221,222.37
  4. Step 4: Simplify right side
    293,928.75x = 89,628,891,285.32
  5. Step 5: Solve for x
    x = 89,628,891,285.32/293,928.75
  6. Step 6: Final answer
    x = 304,934.07

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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.