Home / 129,992.14-194,995.16-36,505.18

Finding the Fourth Proportional to 129,992.14, 194,995.16 and 36,505.18

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Solution

The fourth proportional to 129,992.14, 194,995.16 and 36,505.18 is: 54,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,992.14 : 194,995.16 = 36,505.18 : x
  2. Step 2: Convert to fraction form
    129,992.14/194,995.16 = 36,505.18/x
  3. Step 3: Cross multiply
    129,992.14x = 194,995.16 × 36,505.18
  4. Step 4: Simplify right side
    129,992.14x = 7,118,333,414.93
  5. Step 5: Solve for x
    x = 7,118,333,414.93/129,992.14
  6. Step 6: Final answer
    x = 54,759.72

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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.