Home / 179,630.64-269,475.24-79,825.20

Finding the Fourth Proportional to 179,630.64, 269,475.24 and 79,825.20

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Solution

The fourth proportional to 179,630.64, 269,475.24 and 79,825.20 is: 119,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,630.64 : 269,475.24 = 79,825.20 : x
  2. Step 2: Convert to fraction form
    179,630.64/269,475.24 = 79,825.20/x
  3. Step 3: Cross multiply
    179,630.64x = 269,475.24 × 79,825.20
  4. Step 4: Simplify right side
    179,630.64x = 21,510,914,928.05
  5. Step 5: Solve for x
    x = 21,510,914,928.05/179,630.64
  6. Step 6: Final answer
    x = 119,750.81

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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.