Home / 133,986.16-200,683.99-74,674.72

Finding the Fourth Proportional to 133,986.16, 200,683.99 and 74,674.72

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Solution

The fourth proportional to 133,986.16, 200,683.99 and 74,674.72 is: 111,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,986.16 : 200,683.99 = 74,674.72 : x
  2. Step 2: Convert to fraction form
    133,986.16/200,683.99 = 74,674.72/x
  3. Step 3: Cross multiply
    133,986.16x = 200,683.99 × 74,674.72
  4. Step 4: Simplify right side
    133,986.16x = 14,986,020,761.73
  5. Step 5: Solve for x
    x = 14,986,020,761.73/133,986.16
  6. Step 6: Final answer
    x = 111,847.53

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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.