Home / 142,073.70-196,087.11-84,716.73

Finding the Fourth Proportional to 142,073.70, 196,087.11 and 84,716.73

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Solution

The fourth proportional to 142,073.70, 196,087.11 and 84,716.73 is: 116,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,073.70 : 196,087.11 = 84,716.73 : x
  2. Step 2: Convert to fraction form
    142,073.70/196,087.11 = 84,716.73/x
  3. Step 3: Cross multiply
    142,073.70x = 196,087.11 × 84,716.73
  4. Step 4: Simplify right side
    142,073.70x = 16,611,858,754.35
  5. Step 5: Solve for x
    x = 16,611,858,754.35/142,073.70
  6. Step 6: Final answer
    x = 116,924.24

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1.5x scale

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.