Home / 263,213.34-393,901.29-215,274.30

Finding the Fourth Proportional to 263,213.34, 393,901.29 and 215,274.30

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Solution

The fourth proportional to 263,213.34, 393,901.29 and 215,274.30 is: 322,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,213.34 : 393,901.29 = 215,274.30 : x
  2. Step 2: Convert to fraction form
    263,213.34/393,901.29 = 215,274.30/x
  3. Step 3: Cross multiply
    263,213.34x = 393,901.29 × 215,274.30
  4. Step 4: Simplify right side
    263,213.34x = 84,796,824,473.85
  5. Step 5: Solve for x
    x = 84,796,824,473.85/263,213.34
  6. Step 6: Final answer
    x = 322,160.06

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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.