Home / 179,579.56-269,433.78-76,953.80

Finding the Fourth Proportional to 179,579.56, 269,433.78 and 76,953.80

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Solution

The fourth proportional to 179,579.56, 269,433.78 and 76,953.80 is: 115,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,579.56 : 269,433.78 = 76,953.80 : x
  2. Step 2: Convert to fraction form
    179,579.56/269,433.78 = 76,953.80/x
  3. Step 3: Cross multiply
    179,579.56x = 269,433.78 × 76,953.80
  4. Step 4: Simplify right side
    179,579.56x = 20,733,953,219.36
  5. Step 5: Solve for x
    x = 20,733,953,219.36/179,579.56
  6. Step 6: Final answer
    x = 115,458.31

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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.