Home / 273,286.72-377,136.18-152,435.84

Finding the Fourth Proportional to 273,286.72, 377,136.18 and 152,435.84

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Solution

The fourth proportional to 273,286.72, 377,136.18 and 152,435.84 is: 210,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,286.72 : 377,136.18 = 152,435.84 : x
  2. Step 2: Convert to fraction form
    273,286.72/377,136.18 = 152,435.84/x
  3. Step 3: Cross multiply
    273,286.72x = 377,136.18 × 152,435.84
  4. Step 4: Simplify right side
    273,286.72x = 57,489,068,507.01
  5. Step 5: Solve for x
    x = 57,489,068,507.01/273,286.72
  6. Step 6: Final answer
    x = 210,361.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.