Home / 220,350.42-329,722.11-203,623.38

Finding the Fourth Proportional to 220,350.42, 329,722.11 and 203,623.38

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Solution

The fourth proportional to 220,350.42, 329,722.11 and 203,623.38 is: 304,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,350.42 : 329,722.11 = 203,623.38 : x
  2. Step 2: Convert to fraction form
    220,350.42/329,722.11 = 203,623.38/x
  3. Step 3: Cross multiply
    220,350.42x = 329,722.11 × 203,623.38
  4. Step 4: Simplify right side
    220,350.42x = 67,139,130,498.93
  5. Step 5: Solve for x
    x = 67,139,130,498.93/220,350.42
  6. Step 6: Final answer
    x = 304,692.55

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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.