Home / 422,238.21-633,285.93-118,562.73

Finding the Fourth Proportional to 422,238.21, 633,285.93 and 118,562.73

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Solution

The fourth proportional to 422,238.21, 633,285.93 and 118,562.73 is: 177,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,238.21 : 633,285.93 = 118,562.73 : x
  2. Step 2: Convert to fraction form
    422,238.21/633,285.93 = 118,562.73/x
  3. Step 3: Cross multiply
    422,238.21x = 633,285.93 × 118,562.73
  4. Step 4: Simplify right side
    422,238.21x = 75,084,108,731.39
  5. Step 5: Solve for x
    x = 75,084,108,731.39/422,238.21
  6. Step 6: Final answer
    x = 177,824.05

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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.