Home / 203,344.58-305,018.94-53,606.36

Finding the Fourth Proportional to 203,344.58, 305,018.94 and 53,606.36

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Solution

The fourth proportional to 203,344.58, 305,018.94 and 53,606.36 is: 80,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,344.58 : 305,018.94 = 53,606.36 : x
  2. Step 2: Convert to fraction form
    203,344.58/305,018.94 = 53,606.36/x
  3. Step 3: Cross multiply
    203,344.58x = 305,018.94 × 53,606.36
  4. Step 4: Simplify right side
    203,344.58x = 16,350,955,104.46
  5. Step 5: Solve for x
    x = 16,350,955,104.46/203,344.58
  6. Step 6: Final answer
    x = 80,410.09

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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.