Home / 238,212.60-328,669.19-136,217.02

Finding the Fourth Proportional to 238,212.60, 328,669.19 and 136,217.02

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Solution

The fourth proportional to 238,212.60, 328,669.19 and 136,217.02 is: 187,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,212.60 : 328,669.19 = 136,217.02 : x
  2. Step 2: Convert to fraction form
    238,212.60/328,669.19 = 136,217.02/x
  3. Step 3: Cross multiply
    238,212.60x = 328,669.19 × 136,217.02
  4. Step 4: Simplify right side
    238,212.60x = 44,770,337,093.76
  5. Step 5: Solve for x
    x = 44,770,337,093.76/238,212.60
  6. Step 6: Final answer
    x = 187,942.78

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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.