Home / 329,331.36-493,998.23-80,013.36

Finding the Fourth Proportional to 329,331.36, 493,998.23 and 80,013.36

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Solution

The fourth proportional to 329,331.36, 493,998.23 and 80,013.36 is: 120,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,331.36 : 493,998.23 = 80,013.36 : x
  2. Step 2: Convert to fraction form
    329,331.36/493,998.23 = 80,013.36/x
  3. Step 3: Cross multiply
    329,331.36x = 493,998.23 × 80,013.36
  4. Step 4: Simplify right side
    329,331.36x = 39,526,458,216.35
  5. Step 5: Solve for x
    x = 39,526,458,216.35/329,331.36
  6. Step 6: Final answer
    x = 120,020.33

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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.