Home / 300,834.18-451,248.03-123,301.62

Finding the Fourth Proportional to 300,834.18, 451,248.03 and 123,301.62

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Solution

The fourth proportional to 300,834.18, 451,248.03 and 123,301.62 is: 184,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,834.18 : 451,248.03 = 123,301.62 : x
  2. Step 2: Convert to fraction form
    300,834.18/451,248.03 = 123,301.62/x
  3. Step 3: Cross multiply
    300,834.18x = 451,248.03 × 123,301.62
  4. Step 4: Simplify right side
    300,834.18x = 55,639,613,120.81
  5. Step 5: Solve for x
    x = 55,639,613,120.81/300,834.18
  6. Step 6: Final answer
    x = 184,951.10

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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.