Home / 178,540.11-246,078.54-170,131.79

Finding the Fourth Proportional to 178,540.11, 246,078.54 and 170,131.79

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Solution

The fourth proportional to 178,540.11, 246,078.54 and 170,131.79 is: 234,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,540.11 : 246,078.54 = 170,131.79 : x
  2. Step 2: Convert to fraction form
    178,540.11/246,078.54 = 170,131.79/x
  3. Step 3: Cross multiply
    178,540.11x = 246,078.54 × 170,131.79
  4. Step 4: Simplify right side
    178,540.11x = 41,865,781,260.39
  5. Step 5: Solve for x
    x = 41,865,781,260.39/178,540.11
  6. Step 6: Final answer
    x = 234,489.50

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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.