Home / 137,427.20-206,067.90-48,683.60

Finding the Fourth Proportional to 137,427.20, 206,067.90 and 48,683.60

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Solution

The fourth proportional to 137,427.20, 206,067.90 and 48,683.60 is: 72,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,427.20 : 206,067.90 = 48,683.60 : x
  2. Step 2: Convert to fraction form
    137,427.20/206,067.90 = 48,683.60/x
  3. Step 3: Cross multiply
    137,427.20x = 206,067.90 × 48,683.60
  4. Step 4: Simplify right side
    137,427.20x = 10,032,127,216.44
  5. Step 5: Solve for x
    x = 10,032,127,216.44/137,427.20
  6. Step 6: Final answer
    x = 72,999.58

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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.