Home / 133,276.46-199,815.92-80,673.50

Finding the Fourth Proportional to 133,276.46, 199,815.92 and 80,673.50

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Solution

The fourth proportional to 133,276.46, 199,815.92 and 80,673.50 is: 120,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,276.46 : 199,815.92 = 80,673.50 : x
  2. Step 2: Convert to fraction form
    133,276.46/199,815.92 = 80,673.50/x
  3. Step 3: Cross multiply
    133,276.46x = 199,815.92 × 80,673.50
  4. Step 4: Simplify right side
    133,276.46x = 16,119,848,824.72
  5. Step 5: Solve for x
    x = 16,119,848,824.72/133,276.46
  6. Step 6: Final answer
    x = 120,950.46

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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.