Home / 218,846.04-328,265.76-133,481.96

Finding the Fourth Proportional to 218,846.04, 328,265.76 and 133,481.96

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Solution

The fourth proportional to 218,846.04, 328,265.76 and 133,481.96 is: 200,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,846.04 : 328,265.76 = 133,481.96 : x
  2. Step 2: Convert to fraction form
    218,846.04/328,265.76 = 133,481.96/x
  3. Step 3: Cross multiply
    218,846.04x = 328,265.76 × 133,481.96
  4. Step 4: Simplify right side
    218,846.04x = 43,817,557,135.91
  5. Step 5: Solve for x
    x = 43,817,557,135.91/218,846.04
  6. Step 6: Final answer
    x = 200,220.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.