Home / 154,640.34-231,847.11-49,398.66

Finding the Fourth Proportional to 154,640.34, 231,847.11 and 49,398.66

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Solution

The fourth proportional to 154,640.34, 231,847.11 and 49,398.66 is: 74,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,640.34 : 231,847.11 = 49,398.66 : x
  2. Step 2: Convert to fraction form
    154,640.34/231,847.11 = 49,398.66/x
  3. Step 3: Cross multiply
    154,640.34x = 231,847.11 × 49,398.66
  4. Step 4: Simplify right side
    154,640.34x = 11,452,936,558.87
  5. Step 5: Solve for x
    x = 11,452,936,558.87/154,640.34
  6. Step 6: Final answer
    x = 74,061.77

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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.