Home / 215,846.20-323,769.30-166,022.20

Finding the Fourth Proportional to 215,846.20, 323,769.30 and 166,022.20

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Solution

The fourth proportional to 215,846.20, 323,769.30 and 166,022.20 is: 249,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,846.20 : 323,769.30 = 166,022.20 : x
  2. Step 2: Convert to fraction form
    215,846.20/323,769.30 = 166,022.20/x
  3. Step 3: Cross multiply
    215,846.20x = 323,769.30 × 166,022.20
  4. Step 4: Simplify right side
    215,846.20x = 53,752,891,478.46
  5. Step 5: Solve for x
    x = 53,752,891,478.46/215,846.20
  6. Step 6: Final answer
    x = 249,033.30

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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.