Home / 119,403.34-164,743.92-74,059.54

Finding the Fourth Proportional to 119,403.34, 164,743.92 and 74,059.54

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Solution

The fourth proportional to 119,403.34, 164,743.92 and 74,059.54 is: 102,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,403.34 : 164,743.92 = 74,059.54 : x
  2. Step 2: Convert to fraction form
    119,403.34/164,743.92 = 74,059.54/x
  3. Step 3: Cross multiply
    119,403.34x = 164,743.92 × 74,059.54
  4. Step 4: Simplify right side
    119,403.34x = 12,200,858,933.00
  5. Step 5: Solve for x
    x = 12,200,858,933.00/119,403.34
  6. Step 6: Final answer
    x = 102,181.89

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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.