Home / 137,324.20-205,986.30-48,677.80

Finding the Fourth Proportional to 137,324.20, 205,986.30 and 48,677.80

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Solution

The fourth proportional to 137,324.20, 205,986.30 and 48,677.80 is: 73,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,324.20 : 205,986.30 = 48,677.80 : x
  2. Step 2: Convert to fraction form
    137,324.20/205,986.30 = 48,677.80/x
  3. Step 3: Cross multiply
    137,324.20x = 205,986.30 × 48,677.80
  4. Step 4: Simplify right side
    137,324.20x = 10,026,959,914.14
  5. Step 5: Solve for x
    x = 10,026,959,914.14/137,324.20
  6. Step 6: Final answer
    x = 73,016.70

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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.