Home / 220,869.94-331,336.23-71,075.43

Finding the Fourth Proportional to 220,869.94, 331,336.23 and 71,075.43

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Solution

The fourth proportional to 220,869.94, 331,336.23 and 71,075.43 is: 106,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,869.94 : 331,336.23 = 71,075.43 : x
  2. Step 2: Convert to fraction form
    220,869.94/331,336.23 = 71,075.43/x
  3. Step 3: Cross multiply
    220,869.94x = 331,336.23 × 71,075.43
  4. Step 4: Simplify right side
    220,869.94x = 23,549,865,021.83
  5. Step 5: Solve for x
    x = 23,549,865,021.83/220,869.94
  6. Step 6: Final answer
    x = 106,623.22

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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.