Home / 254,755.86-382,142.30-114,514.90

Finding the Fourth Proportional to 254,755.86, 382,142.30 and 114,514.90

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Solution

The fourth proportional to 254,755.86, 382,142.30 and 114,514.90 is: 171,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,755.86 : 382,142.30 = 114,514.90 : x
  2. Step 2: Convert to fraction form
    254,755.86/382,142.30 = 114,514.90/x
  3. Step 3: Cross multiply
    254,755.86x = 382,142.30 × 114,514.90
  4. Step 4: Simplify right side
    254,755.86x = 43,760,987,270.27
  5. Step 5: Solve for x
    x = 43,760,987,270.27/254,755.86
  6. Step 6: Final answer
    x = 171,776.18

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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.