Home / 187,871.16-259,283.94-107,310.27

Finding the Fourth Proportional to 187,871.16, 259,283.94 and 107,310.27

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Solution

The fourth proportional to 187,871.16, 259,283.94 and 107,310.27 is: 148,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,871.16 : 259,283.94 = 107,310.27 : x
  2. Step 2: Convert to fraction form
    187,871.16/259,283.94 = 107,310.27/x
  3. Step 3: Cross multiply
    187,871.16x = 259,283.94 × 107,310.27
  4. Step 4: Simplify right side
    187,871.16x = 27,823,829,608.06
  5. Step 5: Solve for x
    x = 27,823,829,608.06/187,871.16
  6. Step 6: Final answer
    x = 148,100.59

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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.