Home / 149,394.12-206,083.71-95,621.28

Finding the Fourth Proportional to 149,394.12, 206,083.71 and 95,621.28

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Solution

The fourth proportional to 149,394.12, 206,083.71 and 95,621.28 is: 131,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,394.12 : 206,083.71 = 95,621.28 : x
  2. Step 2: Convert to fraction form
    149,394.12/206,083.71 = 95,621.28/x
  3. Step 3: Cross multiply
    149,394.12x = 206,083.71 × 95,621.28
  4. Step 4: Simplify right side
    149,394.12x = 19,705,988,137.35
  5. Step 5: Solve for x
    x = 19,705,988,137.35/149,394.12
  6. Step 6: Final answer
    x = 131,906.05

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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.