Home / 129,646.14-194,469.24-40,906.58

Finding the Fourth Proportional to 129,646.14, 194,469.24 and 40,906.58

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Solution

The fourth proportional to 129,646.14, 194,469.24 and 40,906.58 is: 61,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,646.14 : 194,469.24 = 40,906.58 : x
  2. Step 2: Convert to fraction form
    129,646.14/194,469.24 = 40,906.58/x
  3. Step 3: Cross multiply
    129,646.14x = 194,469.24 × 40,906.58
  4. Step 4: Simplify right side
    129,646.14x = 7,955,071,523.60
  5. Step 5: Solve for x
    x = 7,955,071,523.60/129,646.14
  6. Step 6: Final answer
    x = 61,359.88

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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.