Home / 133,409.33-199,793.30-76,310.18

Finding the Fourth Proportional to 133,409.33, 199,793.30 and 76,310.18

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Solution

The fourth proportional to 133,409.33, 199,793.30 and 76,310.18 is: 114,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,409.33 : 199,793.30 = 76,310.18 : x
  2. Step 2: Convert to fraction form
    133,409.33/199,793.30 = 76,310.18/x
  3. Step 3: Cross multiply
    133,409.33x = 199,793.30 × 76,310.18
  4. Step 4: Simplify right side
    133,409.33x = 15,246,261,683.30
  5. Step 5: Solve for x
    x = 15,246,261,683.30/133,409.33
  6. Step 6: Final answer
    x = 114,281.83

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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.