Home / 135,747.90-203,680.17-96,556.86

Finding the Fourth Proportional to 135,747.90, 203,680.17 and 96,556.86

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Solution

The fourth proportional to 135,747.90, 203,680.17 and 96,556.86 is: 144,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747.90 : 203,680.17 = 96,556.86 : x
  2. Step 2: Convert to fraction form
    135,747.90/203,680.17 = 96,556.86/x
  3. Step 3: Cross multiply
    135,747.90x = 203,680.17 × 96,556.86
  4. Step 4: Simplify right side
    135,747.90x = 19,666,717,659.47
  5. Step 5: Solve for x
    x = 19,666,717,659.47/135,747.90
  6. Step 6: Final answer
    x = 144,876.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.