Home / 136,658.33-188,588.79-76,227.42

Finding the Fourth Proportional to 136,658.33, 188,588.79 and 76,227.42

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Solution

The fourth proportional to 136,658.33, 188,588.79 and 76,227.42 is: 105,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,658.33 : 188,588.79 = 76,227.42 : x
  2. Step 2: Convert to fraction form
    136,658.33/188,588.79 = 76,227.42/x
  3. Step 3: Cross multiply
    136,658.33x = 188,588.79 × 76,227.42
  4. Step 4: Simplify right side
    136,658.33x = 14,375,636,902.62
  5. Step 5: Solve for x
    x = 14,375,636,902.62/136,658.33
  6. Step 6: Final answer
    x = 105,194.00

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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.