Home / 275,623.38-380,401.50-168,255.62

Finding the Fourth Proportional to 275,623.38, 380,401.50 and 168,255.62

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Solution

The fourth proportional to 275,623.38, 380,401.50 and 168,255.62 is: 232,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,623.38 : 380,401.50 = 168,255.62 : x
  2. Step 2: Convert to fraction form
    275,623.38/380,401.50 = 168,255.62/x
  3. Step 3: Cross multiply
    275,623.38x = 380,401.50 × 168,255.62
  4. Step 4: Simplify right side
    275,623.38x = 64,004,690,231.43
  5. Step 5: Solve for x
    x = 64,004,690,231.43/275,623.38
  6. Step 6: Final answer
    x = 232,217.93

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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.