Home / 179,679.16-269,439.84-67,280.56

Finding the Fourth Proportional to 179,679.16, 269,439.84 and 67,280.56

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Solution

The fourth proportional to 179,679.16, 269,439.84 and 67,280.56 is: 100,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,679.16 : 269,439.84 = 67,280.56 : x
  2. Step 2: Convert to fraction form
    179,679.16/269,439.84 = 67,280.56/x
  3. Step 3: Cross multiply
    179,679.16x = 269,439.84 × 67,280.56
  4. Step 4: Simplify right side
    179,679.16x = 18,128,063,321.51
  5. Step 5: Solve for x
    x = 18,128,063,321.51/179,679.16
  6. Step 6: Final answer
    x = 100,891.30

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1.5x scale

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.