Home / 129,868.40-194,662.68-63,353.36

Finding the Fourth Proportional to 129,868.40, 194,662.68 and 63,353.36

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Solution

The fourth proportional to 129,868.40, 194,662.68 and 63,353.36 is: 94,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,868.40 : 194,662.68 = 63,353.36 : x
  2. Step 2: Convert to fraction form
    129,868.40/194,662.68 = 63,353.36/x
  3. Step 3: Cross multiply
    129,868.40x = 194,662.68 × 63,353.36
  4. Step 4: Simplify right side
    129,868.40x = 12,332,534,844.60
  5. Step 5: Solve for x
    x = 12,332,534,844.60/129,868.40
  6. Step 6: Final answer
    x = 94,961.78

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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.