Home / 137,999.35-206,787.78-92,853.52

Finding the Fourth Proportional to 137,999.35, 206,787.78 and 92,853.52

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Solution

The fourth proportional to 137,999.35, 206,787.78 and 92,853.52 is: 139,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,999.35 : 206,787.78 = 92,853.52 : x
  2. Step 2: Convert to fraction form
    137,999.35/206,787.78 = 92,853.52/x
  3. Step 3: Cross multiply
    137,999.35x = 206,787.78 × 92,853.52
  4. Step 4: Simplify right side
    137,999.35x = 19,200,972,749.02
  5. Step 5: Solve for x
    x = 19,200,972,749.02/137,999.35
  6. Step 6: Final answer
    x = 139,138.14

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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.