Home / 187,611.93-258,930.34-115,058.21

Finding the Fourth Proportional to 187,611.93, 258,930.34 and 115,058.21

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Solution

The fourth proportional to 187,611.93, 258,930.34 and 115,058.21 is: 158,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,611.93 : 258,930.34 = 115,058.21 : x
  2. Step 2: Convert to fraction form
    187,611.93/258,930.34 = 115,058.21/x
  3. Step 3: Cross multiply
    187,611.93x = 258,930.34 × 115,058.21
  4. Step 4: Simplify right side
    187,611.93x = 29,792,059,852.79
  5. Step 5: Solve for x
    x = 29,792,059,852.79/187,611.93
  6. Step 6: Final answer
    x = 158,796.19

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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.