Home / 129,213.00-193,819.51-40,473.42

Finding the Fourth Proportional to 129,213.00, 193,819.51 and 40,473.42

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Solution

The fourth proportional to 129,213.00, 193,819.51 and 40,473.42 is: 60,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,213.00 : 193,819.51 = 40,473.42 : x
  2. Step 2: Convert to fraction form
    129,213.00/193,819.51 = 40,473.42/x
  3. Step 3: Cross multiply
    129,213.00x = 193,819.51 × 40,473.42
  4. Step 4: Simplify right side
    129,213.00x = 7,844,538,732.60
  5. Step 5: Solve for x
    x = 7,844,538,732.60/129,213.00
  6. Step 6: Final answer
    x = 60,710.14

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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.