Home / 263,272.64-363,200.82-154,321.74

Finding the Fourth Proportional to 263,272.64, 363,200.82 and 154,321.74

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Solution

The fourth proportional to 263,272.64, 363,200.82 and 154,321.74 is: 212,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,272.64 : 363,200.82 = 154,321.74 : x
  2. Step 2: Convert to fraction form
    263,272.64/363,200.82 = 154,321.74/x
  3. Step 3: Cross multiply
    263,272.64x = 363,200.82 × 154,321.74
  4. Step 4: Simplify right side
    263,272.64x = 56,049,782,511.83
  5. Step 5: Solve for x
    x = 56,049,782,511.83/263,272.64
  6. Step 6: Final answer
    x = 212,896.34

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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.