Home / 201,625.33-302,438.85-81,684.62

Finding the Fourth Proportional to 201,625.33, 302,438.85 and 81,684.62

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Solution

The fourth proportional to 201,625.33, 302,438.85 and 81,684.62 is: 122,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,625.33 : 302,438.85 = 81,684.62 : x
  2. Step 2: Convert to fraction form
    201,625.33/302,438.85 = 81,684.62/x
  3. Step 3: Cross multiply
    201,625.33x = 302,438.85 × 81,684.62
  4. Step 4: Simplify right side
    201,625.33x = 24,704,600,614.87
  5. Step 5: Solve for x
    x = 24,704,600,614.87/201,625.33
  6. Step 6: Final answer
    x = 122,527.27

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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.