Home / 263,303.32-394,597-111,374.04

Finding the Fourth Proportional to 263,303.32, 394,597 and 111,374.04

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Solution

The fourth proportional to 263,303.32, 394,597 and 111,374.04 is: 166,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,303.32 : 394,597 = 111,374.04 : x
  2. Step 2: Convert to fraction form
    263,303.32/394,597 = 111,374.04/x
  3. Step 3: Cross multiply
    263,303.32x = 394,597 × 111,374.04
  4. Step 4: Simplify right side
    263,303.32x = 43,947,862,061.88
  5. Step 5: Solve for x
    x = 43,947,862,061.88/263,303.32
  6. Step 6: Final answer
    x = 166,909.64

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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.