Home / 231,999.26-320,181.45-130,042.04

Finding the Fourth Proportional to 231,999.26, 320,181.45 and 130,042.04

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Solution

The fourth proportional to 231,999.26, 320,181.45 and 130,042.04 is: 179,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,999.26 : 320,181.45 = 130,042.04 : x
  2. Step 2: Convert to fraction form
    231,999.26/320,181.45 = 130,042.04/x
  3. Step 3: Cross multiply
    231,999.26x = 320,181.45 × 130,042.04
  4. Step 4: Simplify right side
    231,999.26x = 41,637,048,928.16
  5. Step 5: Solve for x
    x = 41,637,048,928.16/231,999.26
  6. Step 6: Final answer
    x = 179,470.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.