Home / 327,630.69-491,445.68-103,010.81

Finding the Fourth Proportional to 327,630.69, 491,445.68 and 103,010.81

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Solution

The fourth proportional to 327,630.69, 491,445.68 and 103,010.81 is: 154,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,630.69 : 491,445.68 = 103,010.81 : x
  2. Step 2: Convert to fraction form
    327,630.69/491,445.68 = 103,010.81/x
  3. Step 3: Cross multiply
    327,630.69x = 491,445.68 × 103,010.81
  4. Step 4: Simplify right side
    327,630.69x = 50,624,214,595.52
  5. Step 5: Solve for x
    x = 50,624,214,595.52/327,630.69
  6. Step 6: Final answer
    x = 154,516.09

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1.5x scale

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.