Home / 129,784.10-194,639.70-41,064.80

Finding the Fourth Proportional to 129,784.10, 194,639.70 and 41,064.80

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Solution

The fourth proportional to 129,784.10, 194,639.70 and 41,064.80 is: 61,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,784.10 : 194,639.70 = 41,064.80 : x
  2. Step 2: Convert to fraction form
    129,784.10/194,639.70 = 41,064.80/x
  3. Step 3: Cross multiply
    129,784.10x = 194,639.70 × 41,064.80
  4. Step 4: Simplify right side
    129,784.10x = 7,992,840,352.56
  5. Step 5: Solve for x
    x = 7,992,840,352.56/129,784.10
  6. Step 6: Final answer
    x = 61,585.67

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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.