Home / 143,772.09-215,754.12-50,277.84

Finding the Fourth Proportional to 143,772.09, 215,754.12 and 50,277.84

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Solution

The fourth proportional to 143,772.09, 215,754.12 and 50,277.84 is: 75,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,772.09 : 215,754.12 = 50,277.84 : x
  2. Step 2: Convert to fraction form
    143,772.09/215,754.12 = 50,277.84/x
  3. Step 3: Cross multiply
    143,772.09x = 215,754.12 × 50,277.84
  4. Step 4: Simplify right side
    143,772.09x = 10,847,651,124.70
  5. Step 5: Solve for x
    x = 10,847,651,124.70/143,772.09
  6. Step 6: Final answer
    x = 75,450.33

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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.