Home / 263,635.83-363,815.61-142,774.35

Finding the Fourth Proportional to 263,635.83, 363,815.61 and 142,774.35

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Solution

The fourth proportional to 263,635.83, 363,815.61 and 142,774.35 is: 197,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,635.83 : 363,815.61 = 142,774.35 : x
  2. Step 2: Convert to fraction form
    263,635.83/363,815.61 = 142,774.35/x
  3. Step 3: Cross multiply
    263,635.83x = 363,815.61 × 142,774.35
  4. Step 4: Simplify right side
    263,635.83x = 51,943,537,237.60
  5. Step 5: Solve for x
    x = 51,943,537,237.60/263,635.83
  6. Step 6: Final answer
    x = 197,027.61

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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.