Home / 126,286.56-174,270-68,924.43

Finding the Fourth Proportional to 126,286.56, 174,270 and 68,924.43

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Solution

The fourth proportional to 126,286.56, 174,270 and 68,924.43 is: 95,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.56 : 174,270 = 68,924.43 : x
  2. Step 2: Convert to fraction form
    126,286.56/174,270 = 68,924.43/x
  3. Step 3: Cross multiply
    126,286.56x = 174,270 × 68,924.43
  4. Step 4: Simplify right side
    126,286.56x = 12,011,460,416.10
  5. Step 5: Solve for x
    x = 12,011,460,416.10/126,286.56
  6. Step 6: Final answer
    x = 95,112.74

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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.