Home / 159,173.24-219,654.44-87,553.25

Finding the Fourth Proportional to 159,173.24, 219,654.44 and 87,553.25

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Solution

The fourth proportional to 159,173.24, 219,654.44 and 87,553.25 is: 120,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,173.24 : 219,654.44 = 87,553.25 : x
  2. Step 2: Convert to fraction form
    159,173.24/219,654.44 = 87,553.25/x
  3. Step 3: Cross multiply
    159,173.24x = 219,654.44 × 87,553.25
  4. Step 4: Simplify right side
    159,173.24x = 19,231,459,000.66
  5. Step 5: Solve for x
    x = 19,231,459,000.66/159,173.24
  6. Step 6: Final answer
    x = 120,820.93

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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.