Home / 154,613.91-231,906.29-49,404.63

Finding the Fourth Proportional to 154,613.91, 231,906.29 and 49,404.63

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Solution

The fourth proportional to 154,613.91, 231,906.29 and 49,404.63 is: 74,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,613.91 : 231,906.29 = 49,404.63 : x
  2. Step 2: Convert to fraction form
    154,613.91/231,906.29 = 49,404.63/x
  3. Step 3: Cross multiply
    154,613.91x = 231,906.29 × 49,404.63
  4. Step 4: Simplify right side
    154,613.91x = 11,457,245,352.65
  5. Step 5: Solve for x
    x = 11,457,245,352.65/154,613.91
  6. Step 6: Final answer
    x = 74,102.29

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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.