Home / 329,922.72-494,932.80-119,511.60

Finding the Fourth Proportional to 329,922.72, 494,932.80 and 119,511.60

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Solution

The fourth proportional to 329,922.72, 494,932.80 and 119,511.60 is: 179,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,922.72 : 494,932.80 = 119,511.60 : x
  2. Step 2: Convert to fraction form
    329,922.72/494,932.80 = 119,511.60/x
  3. Step 3: Cross multiply
    329,922.72x = 494,932.80 × 119,511.60
  4. Step 4: Simplify right side
    329,922.72x = 59,150,210,820.48
  5. Step 5: Solve for x
    x = 59,150,210,820.48/329,922.72
  6. Step 6: Final answer
    x = 179,285.05

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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.