Home / 138,861.66-191,522.78-95,913.03

Finding the Fourth Proportional to 138,861.66, 191,522.78 and 95,913.03

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Solution

The fourth proportional to 138,861.66, 191,522.78 and 95,913.03 is: 132,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,861.66 : 191,522.78 = 95,913.03 : x
  2. Step 2: Convert to fraction form
    138,861.66/191,522.78 = 95,913.03/x
  3. Step 3: Cross multiply
    138,861.66x = 191,522.78 × 95,913.03
  4. Step 4: Simplify right side
    138,861.66x = 18,369,528,946.05
  5. Step 5: Solve for x
    x = 18,369,528,946.05/138,861.66
  6. Step 6: Final answer
    x = 132,286.54

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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.