Home / 129,536.45-194,311.61-40,796.87

Finding the Fourth Proportional to 129,536.45, 194,311.61 and 40,796.87

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Solution

The fourth proportional to 129,536.45, 194,311.61 and 40,796.87 is: 61,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,536.45 : 194,311.61 = 40,796.87 : x
  2. Step 2: Convert to fraction form
    129,536.45/194,311.61 = 40,796.87/x
  3. Step 3: Cross multiply
    129,536.45x = 194,311.61 × 40,796.87
  4. Step 4: Simplify right side
    129,536.45x = 7,927,304,317.12
  5. Step 5: Solve for x
    x = 7,927,304,317.12/129,536.45
  6. Step 6: Final answer
    x = 61,197.48

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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.