Home / 134,512.69-185,628.74-74,083.54

Finding the Fourth Proportional to 134,512.69, 185,628.74 and 74,083.54

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Solution

The fourth proportional to 134,512.69, 185,628.74 and 74,083.54 is: 102,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,512.69 : 185,628.74 = 74,083.54 : x
  2. Step 2: Convert to fraction form
    134,512.69/185,628.74 = 74,083.54/x
  3. Step 3: Cross multiply
    134,512.69x = 185,628.74 × 74,083.54
  4. Step 4: Simplify right side
    134,512.69x = 13,752,035,028.27
  5. Step 5: Solve for x
    x = 13,752,035,028.27/134,512.69
  6. Step 6: Final answer
    x = 102,235.97

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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.