Home / 159,134.23-219,600.21-87,514.03

Finding the Fourth Proportional to 159,134.23, 219,600.21 and 87,514.03

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Solution

The fourth proportional to 159,134.23, 219,600.21 and 87,514.03 is: 120,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,134.23 : 219,600.21 = 87,514.03 : x
  2. Step 2: Convert to fraction form
    159,134.23/219,600.21 = 87,514.03/x
  3. Step 3: Cross multiply
    159,134.23x = 219,600.21 × 87,514.03
  4. Step 4: Simplify right side
    159,134.23x = 19,218,099,365.95
  5. Step 5: Solve for x
    x = 19,218,099,365.95/159,134.23
  6. Step 6: Final answer
    x = 120,766.60

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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.