Home / 129,181.22-193,771.76-35,686.96

Finding the Fourth Proportional to 129,181.22, 193,771.76 and 35,686.96

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Solution

The fourth proportional to 129,181.22, 193,771.76 and 35,686.96 is: 53,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,181.22 : 193,771.76 = 35,686.96 : x
  2. Step 2: Convert to fraction form
    129,181.22/193,771.76 = 35,686.96/x
  3. Step 3: Cross multiply
    129,181.22x = 193,771.76 × 35,686.96
  4. Step 4: Simplify right side
    129,181.22x = 6,915,125,048.25
  5. Step 5: Solve for x
    x = 6,915,125,048.25/129,181.22
  6. Step 6: Final answer
    x = 53,530.42

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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.