Home / 300,119.30-414,200.37-172,819.70

Finding the Fourth Proportional to 300,119.30, 414,200.37 and 172,819.70

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Solution

The fourth proportional to 300,119.30, 414,200.37 and 172,819.70 is: 238,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,119.30 : 414,200.37 = 172,819.70 : x
  2. Step 2: Convert to fraction form
    300,119.30/414,200.37 = 172,819.70/x
  3. Step 3: Cross multiply
    300,119.30x = 414,200.37 × 172,819.70
  4. Step 4: Simplify right side
    300,119.30x = 71,581,983,683.29
  5. Step 5: Solve for x
    x = 71,581,983,683.29/300,119.30
  6. Step 6: Final answer
    x = 238,511.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.