Home / 351,912.28-527,942.24-152,261.05

Finding the Fourth Proportional to 351,912.28, 527,942.24 and 152,261.05

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Solution

The fourth proportional to 351,912.28, 527,942.24 and 152,261.05 is: 228,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,912.28 : 527,942.24 = 152,261.05 : x
  2. Step 2: Convert to fraction form
    351,912.28/527,942.24 = 152,261.05/x
  3. Step 3: Cross multiply
    351,912.28x = 527,942.24 × 152,261.05
  4. Step 4: Simplify right side
    351,912.28x = 80,385,039,801.75
  5. Step 5: Solve for x
    x = 80,385,039,801.75/351,912.28
  6. Step 6: Final answer
    x = 228,423.51

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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.