Home / 187,236.43-258,387.84-106,662.69

Finding the Fourth Proportional to 187,236.43, 258,387.84 and 106,662.69

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Solution

The fourth proportional to 187,236.43, 258,387.84 and 106,662.69 is: 147,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,236.43 : 258,387.84 = 106,662.69 : x
  2. Step 2: Convert to fraction form
    187,236.43/258,387.84 = 106,662.69/x
  3. Step 3: Cross multiply
    187,236.43x = 258,387.84 × 106,662.69
  4. Step 4: Simplify right side
    187,236.43x = 27,560,343,046.64
  5. Step 5: Solve for x
    x = 27,560,343,046.64/187,236.43
  6. Step 6: Final answer
    x = 147,195.41

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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.