Home / 129,768.40-194,652.60-124,584.40

Finding the Fourth Proportional to 129,768.40, 194,652.60 and 124,584.40

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Solution

The fourth proportional to 129,768.40, 194,652.60 and 124,584.40 is: 186,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,768.40 : 194,652.60 = 124,584.40 : x
  2. Step 2: Convert to fraction form
    129,768.40/194,652.60 = 124,584.40/x
  3. Step 3: Cross multiply
    129,768.40x = 194,652.60 × 124,584.40
  4. Step 4: Simplify right side
    129,768.40x = 24,250,677,379.44
  5. Step 5: Solve for x
    x = 24,250,677,379.44/129,768.40
  6. Step 6: Final answer
    x = 186,876.60

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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.