Home / 263,322.30-394,983.45-210,834.30

Finding the Fourth Proportional to 263,322.30, 394,983.45 and 210,834.30

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Solution

The fourth proportional to 263,322.30, 394,983.45 and 210,834.30 is: 316,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,322.30 : 394,983.45 = 210,834.30 : x
  2. Step 2: Convert to fraction form
    263,322.30/394,983.45 = 210,834.30/x
  3. Step 3: Cross multiply
    263,322.30x = 394,983.45 × 210,834.30
  4. Step 4: Simplify right side
    263,322.30x = 83,276,059,192.34
  5. Step 5: Solve for x
    x = 83,276,059,192.34/263,322.30
  6. Step 6: Final answer
    x = 316,251.45

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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.