Home / 293,949.50-405,736.63-191,990.54

Finding the Fourth Proportional to 293,949.50, 405,736.63 and 191,990.54

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Solution

The fourth proportional to 293,949.50, 405,736.63 and 191,990.54 is: 265,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,949.50 : 405,736.63 = 191,990.54 : x
  2. Step 2: Convert to fraction form
    293,949.50/405,736.63 = 191,990.54/x
  3. Step 3: Cross multiply
    293,949.50x = 405,736.63 × 191,990.54
  4. Step 4: Simplify right side
    293,949.50x = 77,897,595,945.81
  5. Step 5: Solve for x
    x = 77,897,595,945.81/293,949.50
  6. Step 6: Final answer
    x = 265,003.33

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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.