Home / 146,211.27-201,771.87-79,143.27

Finding the Fourth Proportional to 146,211.27, 201,771.87 and 79,143.27

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Solution

The fourth proportional to 146,211.27, 201,771.87 and 79,143.27 is: 109,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,211.27 : 201,771.87 = 79,143.27 : x
  2. Step 2: Convert to fraction form
    146,211.27/201,771.87 = 79,143.27/x
  3. Step 3: Cross multiply
    146,211.27x = 201,771.87 × 79,143.27
  4. Step 4: Simplify right side
    146,211.27x = 15,968,885,585.81
  5. Step 5: Solve for x
    x = 15,968,885,585.81/146,211.27
  6. Step 6: Final answer
    x = 109,217.88

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1.5x scale

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.