Home / 142,850.84-197,135.94-82,434.02

Finding the Fourth Proportional to 142,850.84, 197,135.94 and 82,434.02

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Solution

The fourth proportional to 142,850.84, 197,135.94 and 82,434.02 is: 113,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850.84 : 197,135.94 = 82,434.02 : x
  2. Step 2: Convert to fraction form
    142,850.84/197,135.94 = 82,434.02/x
  3. Step 3: Cross multiply
    142,850.84x = 197,135.94 × 82,434.02
  4. Step 4: Simplify right side
    142,850.84x = 16,250,708,020.68
  5. Step 5: Solve for x
    x = 16,250,708,020.68/142,850.84
  6. Step 6: Final answer
    x = 113,759.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.