Home / 131,963.82-181,865.84-93,725.04

Finding the Fourth Proportional to 131,963.82, 181,865.84 and 93,725.04

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Solution

The fourth proportional to 131,963.82, 181,865.84 and 93,725.04 is: 129,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,963.82 : 181,865.84 = 93,725.04 : x
  2. Step 2: Convert to fraction form
    131,963.82/181,865.84 = 93,725.04/x
  3. Step 3: Cross multiply
    131,963.82x = 181,865.84 × 93,725.04
  4. Step 4: Simplify right side
    131,963.82x = 17,045,383,128.63
  5. Step 5: Solve for x
    x = 17,045,383,128.63/131,963.82
  6. Step 6: Final answer
    x = 129,167.09

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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.