Home / 129,796.24-194,624.88-39,823.12

Finding the Fourth Proportional to 129,796.24, 194,624.88 and 39,823.12

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Solution

The fourth proportional to 129,796.24, 194,624.88 and 39,823.12 is: 59,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,796.24 : 194,624.88 = 39,823.12 : x
  2. Step 2: Convert to fraction form
    129,796.24/194,624.88 = 39,823.12/x
  3. Step 3: Cross multiply
    129,796.24x = 194,624.88 × 39,823.12
  4. Step 4: Simplify right side
    129,796.24x = 7,750,569,951.23
  5. Step 5: Solve for x
    x = 7,750,569,951.23/129,796.24
  6. Step 6: Final answer
    x = 59,713.36

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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.