Home / 179,621.23-269,285.73-67,238.50

Finding the Fourth Proportional to 179,621.23, 269,285.73 and 67,238.50

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Solution

The fourth proportional to 179,621.23, 269,285.73 and 67,238.50 is: 100,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,621.23 : 269,285.73 = 67,238.50 : x
  2. Step 2: Convert to fraction form
    179,621.23/269,285.73 = 67,238.50/x
  3. Step 3: Cross multiply
    179,621.23x = 269,285.73 × 67,238.50
  4. Step 4: Simplify right side
    179,621.23x = 18,106,368,556.61
  5. Step 5: Solve for x
    x = 18,106,368,556.61/179,621.23
  6. Step 6: Final answer
    x = 100,803.05

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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.