Home / 189,896.01-284,756.31-69,922.83

Finding the Fourth Proportional to 189,896.01, 284,756.31 and 69,922.83

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Solution

The fourth proportional to 189,896.01, 284,756.31 and 69,922.83 is: 104,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,896.01 : 284,756.31 = 69,922.83 : x
  2. Step 2: Convert to fraction form
    189,896.01/284,756.31 = 69,922.83/x
  3. Step 3: Cross multiply
    189,896.01x = 284,756.31 × 69,922.83
  4. Step 4: Simplify right side
    189,896.01x = 19,910,967,055.56
  5. Step 5: Solve for x
    x = 19,910,967,055.56/189,896.01
  6. Step 6: Final answer
    x = 104,851.95

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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.