Home / 187,371.26-258,578.46-102,488.25

Finding the Fourth Proportional to 187,371.26, 258,578.46 and 102,488.25

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Solution

The fourth proportional to 187,371.26, 258,578.46 and 102,488.25 is: 141,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,371.26 : 258,578.46 = 102,488.25 : x
  2. Step 2: Convert to fraction form
    187,371.26/258,578.46 = 102,488.25/x
  3. Step 3: Cross multiply
    187,371.26x = 258,578.46 × 102,488.25
  4. Step 4: Simplify right side
    187,371.26x = 26,501,253,853.10
  5. Step 5: Solve for x
    x = 26,501,253,853.10/187,371.26
  6. Step 6: Final answer
    x = 141,437.13

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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.