Home / 185,537.63-278,305.75-67,181.29

Finding the Fourth Proportional to 185,537.63, 278,305.75 and 67,181.29

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Solution

The fourth proportional to 185,537.63, 278,305.75 and 67,181.29 is: 100,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,537.63 : 278,305.75 = 67,181.29 : x
  2. Step 2: Convert to fraction form
    185,537.63/278,305.75 = 67,181.29/x
  3. Step 3: Cross multiply
    185,537.63x = 278,305.75 × 67,181.29
  4. Step 4: Simplify right side
    185,537.63x = 18,696,938,435.70
  5. Step 5: Solve for x
    x = 18,696,938,435.70/185,537.63
  6. Step 6: Final answer
    x = 100,771.68

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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.