Home / 231,764.16-319,694.86-136,192.26

Finding the Fourth Proportional to 231,764.16, 319,694.86 and 136,192.26

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Solution

The fourth proportional to 231,764.16, 319,694.86 and 136,192.26 is: 187,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,764.16 : 319,694.86 = 136,192.26 : x
  2. Step 2: Convert to fraction form
    231,764.16/319,694.86 = 136,192.26/x
  3. Step 3: Cross multiply
    231,764.16x = 319,694.86 × 136,192.26
  4. Step 4: Simplify right side
    231,764.16x = 43,539,963,554.83
  5. Step 5: Solve for x
    x = 43,539,963,554.83/231,764.16
  6. Step 6: Final answer
    x = 187,863.23

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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.