Home / 129,381.39-194,072.07-35,887.14

Finding the Fourth Proportional to 129,381.39, 194,072.07 and 35,887.14

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Solution

The fourth proportional to 129,381.39, 194,072.07 and 35,887.14 is: 53,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,381.39 : 194,072.07 = 35,887.14 : x
  2. Step 2: Convert to fraction form
    129,381.39/194,072.07 = 35,887.14/x
  3. Step 3: Cross multiply
    129,381.39x = 194,072.07 × 35,887.14
  4. Step 4: Simplify right side
    129,381.39x = 6,964,691,546.18
  5. Step 5: Solve for x
    x = 6,964,691,546.18/129,381.39
  6. Step 6: Final answer
    x = 53,830.71

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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.