Home / 190,579.52-262,995.72-105,694.76

Finding the Fourth Proportional to 190,579.52, 262,995.72 and 105,694.76

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Solution

The fourth proportional to 190,579.52, 262,995.72 and 105,694.76 is: 145,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,579.52 : 262,995.72 = 105,694.76 : x
  2. Step 2: Convert to fraction form
    190,579.52/262,995.72 = 105,694.76/x
  3. Step 3: Cross multiply
    190,579.52x = 262,995.72 × 105,694.76
  4. Step 4: Simplify right side
    190,579.52x = 27,797,269,506.43
  5. Step 5: Solve for x
    x = 27,797,269,506.43/190,579.52
  6. Step 6: Final answer
    x = 145,856.54

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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.