Home / 187,132.26-258,242.51-102,249.33

Finding the Fourth Proportional to 187,132.26, 258,242.51 and 102,249.33

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Solution

The fourth proportional to 187,132.26, 258,242.51 and 102,249.33 is: 141,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,132.26 : 258,242.51 = 102,249.33 : x
  2. Step 2: Convert to fraction form
    187,132.26/258,242.51 = 102,249.33/x
  3. Step 3: Cross multiply
    187,132.26x = 258,242.51 × 102,249.33
  4. Step 4: Simplify right side
    187,132.26x = 26,405,123,625.02
  5. Step 5: Solve for x
    x = 26,405,123,625.02/187,132.26
  6. Step 6: Final answer
    x = 141,104.07

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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.