Home / 187,101.34-258,209.21-114,481.51

Finding the Fourth Proportional to 187,101.34, 258,209.21 and 114,481.51

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Solution

The fourth proportional to 187,101.34, 258,209.21 and 114,481.51 is: 157,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,101.34 : 258,209.21 = 114,481.51 : x
  2. Step 2: Convert to fraction form
    187,101.34/258,209.21 = 114,481.51/x
  3. Step 3: Cross multiply
    187,101.34x = 258,209.21 × 114,481.51
  4. Step 4: Simplify right side
    187,101.34x = 29,560,179,897.39
  5. Step 5: Solve for x
    x = 29,560,179,897.39/187,101.34
  6. Step 6: Final answer
    x = 157,990.21

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1.5x scale

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.