Home / 187,260.21-258,419.07-102,377.25

Finding the Fourth Proportional to 187,260.21, 258,419.07 and 102,377.25

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Solution

The fourth proportional to 187,260.21, 258,419.07 and 102,377.25 is: 141,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,260.21 : 258,419.07 = 102,377.25 : x
  2. Step 2: Convert to fraction form
    187,260.21/258,419.07 = 102,377.25/x
  3. Step 3: Cross multiply
    187,260.21x = 258,419.07 × 102,377.25
  4. Step 4: Simplify right side
    187,260.21x = 26,456,233,734.16
  5. Step 5: Solve for x
    x = 26,456,233,734.16/187,260.21
  6. Step 6: Final answer
    x = 141,280.59

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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.