Home / 187,133.92-258,241.74-102,249.16

Finding the Fourth Proportional to 187,133.92, 258,241.74 and 102,249.16

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Solution

The fourth proportional to 187,133.92, 258,241.74 and 102,249.16 is: 141,102.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,133.92 : 258,241.74 = 102,249.16 : x
  2. Step 2: Convert to fraction form
    187,133.92/258,241.74 = 102,249.16/x
  3. Step 3: Cross multiply
    187,133.92x = 258,241.74 × 102,249.16
  4. Step 4: Simplify right side
    187,133.92x = 26,405,000,991.94
  5. Step 5: Solve for x
    x = 26,405,000,991.94/187,133.92
  6. Step 6: Final answer
    x = 141,102.16

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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.