Home / 146,882.08-220,450.80-80,382.88

Finding the Fourth Proportional to 146,882.08, 220,450.80 and 80,382.88

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Solution

The fourth proportional to 146,882.08, 220,450.80 and 80,382.88 is: 120,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,882.08 : 220,450.80 = 80,382.88 : x
  2. Step 2: Convert to fraction form
    146,882.08/220,450.80 = 80,382.88/x
  3. Step 3: Cross multiply
    146,882.08x = 220,450.80 × 80,382.88
  4. Step 4: Simplify right side
    146,882.08x = 17,720,470,202.30
  5. Step 5: Solve for x
    x = 17,720,470,202.30/146,882.08
  6. Step 6: Final answer
    x = 120,644.19

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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.