Home / 263,023.38-394,537.95-76,036.50

Finding the Fourth Proportional to 263,023.38, 394,537.95 and 76,036.50

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Solution

The fourth proportional to 263,023.38, 394,537.95 and 76,036.50 is: 114,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,023.38 : 394,537.95 = 76,036.50 : x
  2. Step 2: Convert to fraction form
    263,023.38/394,537.95 = 76,036.50/x
  3. Step 3: Cross multiply
    263,023.38x = 394,537.95 × 76,036.50
  4. Step 4: Simplify right side
    263,023.38x = 29,999,284,835.18
  5. Step 5: Solve for x
    x = 29,999,284,835.18/263,023.38
  6. Step 6: Final answer
    x = 114,055.58

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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.