Home / 129,516.60-194,285.83-36,022.35

Finding the Fourth Proportional to 129,516.60, 194,285.83 and 36,022.35

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Solution

The fourth proportional to 129,516.60, 194,285.83 and 36,022.35 is: 54,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,516.60 : 194,285.83 = 36,022.35 : x
  2. Step 2: Convert to fraction form
    129,516.60/194,285.83 = 36,022.35/x
  3. Step 3: Cross multiply
    129,516.60x = 194,285.83 × 36,022.35
  4. Step 4: Simplify right side
    129,516.60x = 6,998,631,016.76
  5. Step 5: Solve for x
    x = 6,998,631,016.76/129,516.60
  6. Step 6: Final answer
    x = 54,036.56

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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.