Home / 187,387.43-258,553.22-114,805.65

Finding the Fourth Proportional to 187,387.43, 258,553.22 and 114,805.65

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Solution

The fourth proportional to 187,387.43, 258,553.22 and 114,805.65 is: 158,406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,387.43 : 258,553.22 = 114,805.65 : x
  2. Step 2: Convert to fraction form
    187,387.43/258,553.22 = 114,805.65/x
  3. Step 3: Cross multiply
    187,387.43x = 258,553.22 × 114,805.65
  4. Step 4: Simplify right side
    187,387.43x = 29,683,370,877.24
  5. Step 5: Solve for x
    x = 29,683,370,877.24/187,387.43
  6. Step 6: Final answer
    x = 158,406.42

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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.