Home / 142,662.11-196,857.11-82,232.34

Finding the Fourth Proportional to 142,662.11, 196,857.11 and 82,232.34

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Solution

The fourth proportional to 142,662.11, 196,857.11 and 82,232.34 is: 113,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,662.11 : 196,857.11 = 82,232.34 : x
  2. Step 2: Convert to fraction form
    142,662.11/196,857.11 = 82,232.34/x
  3. Step 3: Cross multiply
    142,662.11x = 196,857.11 × 82,232.34
  4. Step 4: Simplify right side
    142,662.11x = 16,188,020,590.69
  5. Step 5: Solve for x
    x = 16,188,020,590.69/142,662.11
  6. Step 6: Final answer
    x = 113,471.06

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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.