Home / 159,108.48-219,575.34-87,494.04

Finding the Fourth Proportional to 159,108.48, 219,575.34 and 87,494.04

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Solution

The fourth proportional to 159,108.48, 219,575.34 and 87,494.04 is: 120,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,108.48 : 219,575.34 = 87,494.04 : x
  2. Step 2: Convert to fraction form
    159,108.48/219,575.34 = 87,494.04/x
  3. Step 3: Cross multiply
    159,108.48x = 219,575.34 × 87,494.04
  4. Step 4: Simplify right side
    159,108.48x = 19,211,533,580.97
  5. Step 5: Solve for x
    x = 19,211,533,580.97/159,108.48
  6. Step 6: Final answer
    x = 120,744.88

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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.