Home / 356,198.40-534,643.20-178,905.60

Finding the Fourth Proportional to 356,198.40, 534,643.20 and 178,905.60

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Solution

The fourth proportional to 356,198.40, 534,643.20 and 178,905.60 is: 268,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,198.40 : 534,643.20 = 178,905.60 : x
  2. Step 2: Convert to fraction form
    356,198.40/534,643.20 = 178,905.60/x
  3. Step 3: Cross multiply
    356,198.40x = 534,643.20 × 178,905.60
  4. Step 4: Simplify right side
    356,198.40x = 95,650,662,481.92
  5. Step 5: Solve for x
    x = 95,650,662,481.92/356,198.40
  6. Step 6: Final answer
    x = 268,531.98

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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.