Home / 151,586.33-209,190.78-83,606.18

Finding the Fourth Proportional to 151,586.33, 209,190.78 and 83,606.18

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Solution

The fourth proportional to 151,586.33, 209,190.78 and 83,606.18 is: 115,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,586.33 : 209,190.78 = 83,606.18 : x
  2. Step 2: Convert to fraction form
    151,586.33/209,190.78 = 83,606.18/x
  3. Step 3: Cross multiply
    151,586.33x = 209,190.78 × 83,606.18
  4. Step 4: Simplify right side
    151,586.33x = 17,489,640,961.07
  5. Step 5: Solve for x
    x = 17,489,640,961.07/151,586.33
  6. Step 6: Final answer
    x = 115,377.43

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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.