Home / 129,684.04-194,470.96-50,785.72

Finding the Fourth Proportional to 129,684.04, 194,470.96 and 50,785.72

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Solution

The fourth proportional to 129,684.04, 194,470.96 and 50,785.72 is: 76,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,684.04 : 194,470.96 = 50,785.72 : x
  2. Step 2: Convert to fraction form
    129,684.04/194,470.96 = 50,785.72/x
  3. Step 3: Cross multiply
    129,684.04x = 194,470.96 × 50,785.72
  4. Step 4: Simplify right side
    129,684.04x = 9,876,347,722.69
  5. Step 5: Solve for x
    x = 9,876,347,722.69/129,684.04
  6. Step 6: Final answer
    x = 76,157.00

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1.5x scale

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.