Home / 187,636.34-258,833.09-111,080.75

Finding the Fourth Proportional to 187,636.34, 258,833.09 and 111,080.75

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Solution

The fourth proportional to 187,636.34, 258,833.09 and 111,080.75 is: 153,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,636.34 : 258,833.09 = 111,080.75 : x
  2. Step 2: Convert to fraction form
    187,636.34/258,833.09 = 111,080.75/x
  3. Step 3: Cross multiply
    187,636.34x = 258,833.09 × 111,080.75
  4. Step 4: Simplify right side
    187,636.34x = 28,751,372,745.55
  5. Step 5: Solve for x
    x = 28,751,372,745.55/187,636.34
  6. Step 6: Final answer
    x = 153,229.23

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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.