Home / 193,051.21-289,256.78-136,611.67

Finding the Fourth Proportional to 193,051.21, 289,256.78 and 136,611.67

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Solution

The fourth proportional to 193,051.21, 289,256.78 and 136,611.67 is: 204,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,051.21 : 289,256.78 = 136,611.67 : x
  2. Step 2: Convert to fraction form
    193,051.21/289,256.78 = 136,611.67/x
  3. Step 3: Cross multiply
    193,051.21x = 289,256.78 × 136,611.67
  4. Step 4: Simplify right side
    193,051.21x = 39,515,851,091.56
  5. Step 5: Solve for x
    x = 39,515,851,091.56/193,051.21
  6. Step 6: Final answer
    x = 204,691.03

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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.