Home / 151,656.30-209,286.42-83,673.27

Finding the Fourth Proportional to 151,656.30, 209,286.42 and 83,673.27

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Solution

The fourth proportional to 151,656.30, 209,286.42 and 83,673.27 is: 115,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,656.30 : 209,286.42 = 83,673.27 : x
  2. Step 2: Convert to fraction form
    151,656.30/209,286.42 = 83,673.27/x
  3. Step 3: Cross multiply
    151,656.30x = 209,286.42 × 83,673.27
  4. Step 4: Simplify right side
    151,656.30x = 17,511,679,127.99
  5. Step 5: Solve for x
    x = 17,511,679,127.99/151,656.30
  6. Step 6: Final answer
    x = 115,469.51

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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.