Home / 203,981.48-305,947.71-54,233.23

Finding the Fourth Proportional to 203,981.48, 305,947.71 and 54,233.23

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Solution

The fourth proportional to 203,981.48, 305,947.71 and 54,233.23 is: 81,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,981.48 : 305,947.71 = 54,233.23 : x
  2. Step 2: Convert to fraction form
    203,981.48/305,947.71 = 54,233.23/x
  3. Step 3: Cross multiply
    203,981.48x = 305,947.71 × 54,233.23
  4. Step 4: Simplify right side
    203,981.48x = 16,592,532,524.40
  5. Step 5: Solve for x
    x = 16,592,532,524.40/203,981.48
  6. Step 6: Final answer
    x = 81,343.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.