Home / 126,375.54-174,398.39-69,786.91

Finding the Fourth Proportional to 126,375.54, 174,398.39 and 69,786.91

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Solution

The fourth proportional to 126,375.54, 174,398.39 and 69,786.91 is: 96,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,375.54 : 174,398.39 = 69,786.91 : x
  2. Step 2: Convert to fraction form
    126,375.54/174,398.39 = 69,786.91/x
  3. Step 3: Cross multiply
    126,375.54x = 174,398.39 × 69,786.91
  4. Step 4: Simplify right side
    126,375.54x = 12,170,724,747.07
  5. Step 5: Solve for x
    x = 12,170,724,747.07/126,375.54
  6. Step 6: Final answer
    x = 96,306.02

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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.