Home / 147,221.33-203,149.26-82,677.47

Finding the Fourth Proportional to 147,221.33, 203,149.26 and 82,677.47

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Solution

The fourth proportional to 147,221.33, 203,149.26 and 82,677.47 is: 114,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,221.33 : 203,149.26 = 82,677.47 : x
  2. Step 2: Convert to fraction form
    147,221.33/203,149.26 = 82,677.47/x
  3. Step 3: Cross multiply
    147,221.33x = 203,149.26 × 82,677.47
  4. Step 4: Simplify right side
    147,221.33x = 16,795,865,833.43
  5. Step 5: Solve for x
    x = 16,795,865,833.43/147,221.33
  6. Step 6: Final answer
    x = 114,085.82

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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.