Home / 263,650.22-363,835.50-142,788.75

Finding the Fourth Proportional to 263,650.22, 363,835.50 and 142,788.75

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Solution

The fourth proportional to 263,650.22, 363,835.50 and 142,788.75 is: 197,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,650.22 : 363,835.50 = 142,788.75 : x
  2. Step 2: Convert to fraction form
    263,650.22/363,835.50 = 142,788.75/x
  3. Step 3: Cross multiply
    263,650.22x = 363,835.50 × 142,788.75
  4. Step 4: Simplify right side
    263,650.22x = 51,951,616,250.63
  5. Step 5: Solve for x
    x = 51,951,616,250.63/263,650.22
  6. Step 6: Final answer
    x = 197,047.50

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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.