Home / 187,737.78-281,522.49-111,872.10

Finding the Fourth Proportional to 187,737.78, 281,522.49 and 111,872.10

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Solution

The fourth proportional to 187,737.78, 281,522.49 and 111,872.10 is: 167,757.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,737.78 : 281,522.49 = 111,872.10 : x
  2. Step 2: Convert to fraction form
    187,737.78/281,522.49 = 111,872.10/x
  3. Step 3: Cross multiply
    187,737.78x = 281,522.49 × 111,872.10
  4. Step 4: Simplify right side
    187,737.78x = 31,494,512,153.53
  5. Step 5: Solve for x
    x = 31,494,512,153.53/187,737.78
  6. Step 6: Final answer
    x = 167,757.99

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1.5x scale

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.