Home / 263,272.10-394,908.15-235,715.90

Finding the Fourth Proportional to 263,272.10, 394,908.15 and 235,715.90

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Solution

The fourth proportional to 263,272.10, 394,908.15 and 235,715.90 is: 353,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,272.10 : 394,908.15 = 235,715.90 : x
  2. Step 2: Convert to fraction form
    263,272.10/394,908.15 = 235,715.90/x
  3. Step 3: Cross multiply
    263,272.10x = 394,908.15 × 235,715.90
  4. Step 4: Simplify right side
    263,272.10x = 93,086,129,994.59
  5. Step 5: Solve for x
    x = 93,086,129,994.59/263,272.10
  6. Step 6: Final answer
    x = 353,573.85

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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.