Home / 189,226.94-261,127.58-104,343.98

Finding the Fourth Proportional to 189,226.94, 261,127.58 and 104,343.98

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Solution

The fourth proportional to 189,226.94, 261,127.58 and 104,343.98 is: 143,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,226.94 : 261,127.58 = 104,343.98 : x
  2. Step 2: Convert to fraction form
    189,226.94/261,127.58 = 104,343.98/x
  3. Step 3: Cross multiply
    189,226.94x = 261,127.58 × 104,343.98
  4. Step 4: Simplify right side
    189,226.94x = 27,247,090,984.97
  5. Step 5: Solve for x
    x = 27,247,090,984.97/189,226.94
  6. Step 6: Final answer
    x = 143,991.61

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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.