Home / 129,402.50-194,103.84-35,908.34

Finding the Fourth Proportional to 129,402.50, 194,103.84 and 35,908.34

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Solution

The fourth proportional to 129,402.50, 194,103.84 and 35,908.34 is: 53,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,402.50 : 194,103.84 = 35,908.34 : x
  2. Step 2: Convert to fraction form
    129,402.50/194,103.84 = 35,908.34/x
  3. Step 3: Cross multiply
    129,402.50x = 194,103.84 × 35,908.34
  4. Step 4: Simplify right side
    129,402.50x = 6,969,946,682.03
  5. Step 5: Solve for x
    x = 6,969,946,682.03/129,402.50
  6. Step 6: Final answer
    x = 53,862.53

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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.