Home / 189,821.02-261,942.78-104,933.02

Finding the Fourth Proportional to 189,821.02, 261,942.78 and 104,933.02

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Solution

The fourth proportional to 189,821.02, 261,942.78 and 104,933.02 is: 144,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,821.02 : 261,942.78 = 104,933.02 : x
  2. Step 2: Convert to fraction form
    189,821.02/261,942.78 = 104,933.02/x
  3. Step 3: Cross multiply
    189,821.02x = 261,942.78 × 104,933.02
  4. Step 4: Simplify right side
    189,821.02x = 27,486,446,972.60
  5. Step 5: Solve for x
    x = 27,486,446,972.60/189,821.02
  6. Step 6: Final answer
    x = 144,801.91

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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.