Home / 129,539.82-194,316.66-40,800.24

Finding the Fourth Proportional to 129,539.82, 194,316.66 and 40,800.24

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Solution

The fourth proportional to 129,539.82, 194,316.66 and 40,800.24 is: 61,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,539.82 : 194,316.66 = 40,800.24 : x
  2. Step 2: Convert to fraction form
    129,539.82/194,316.66 = 40,800.24/x
  3. Step 3: Cross multiply
    129,539.82x = 194,316.66 × 40,800.24
  4. Step 4: Simplify right side
    129,539.82x = 7,928,166,364.00
  5. Step 5: Solve for x
    x = 7,928,166,364.00/129,539.82
  6. Step 6: Final answer
    x = 61,202.54

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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.