Home / 187,769.74-259,122.37-111,326.54

Finding the Fourth Proportional to 187,769.74, 259,122.37 and 111,326.54

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Solution

The fourth proportional to 187,769.74, 259,122.37 and 111,326.54 is: 153,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,769.74 : 259,122.37 = 111,326.54 : x
  2. Step 2: Convert to fraction form
    187,769.74/259,122.37 = 111,326.54/x
  3. Step 3: Cross multiply
    187,769.74x = 259,122.37 × 111,326.54
  4. Step 4: Simplify right side
    187,769.74x = 28,847,197,258.19
  5. Step 5: Solve for x
    x = 28,847,197,258.19/187,769.74
  6. Step 6: Final answer
    x = 153,630.71

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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.