Home / 133,026.20-199,539.30-83,162.60

Finding the Fourth Proportional to 133,026.20, 199,539.30 and 83,162.60

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Solution

The fourth proportional to 133,026.20, 199,539.30 and 83,162.60 is: 124,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.20 : 199,539.30 = 83,162.60 : x
  2. Step 2: Convert to fraction form
    133,026.20/199,539.30 = 83,162.60/x
  3. Step 3: Cross multiply
    133,026.20x = 199,539.30 × 83,162.60
  4. Step 4: Simplify right side
    133,026.20x = 16,594,206,990.18
  5. Step 5: Solve for x
    x = 16,594,206,990.18/133,026.20
  6. Step 6: Final answer
    x = 124,743.90

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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.