Home / 367,626.20-551,473.38-143,003.75

Finding the Fourth Proportional to 367,626.20, 551,473.38 and 143,003.75

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Solution

The fourth proportional to 367,626.20, 551,473.38 and 143,003.75 is: 214,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,626.20 : 551,473.38 = 143,003.75 : x
  2. Step 2: Convert to fraction form
    367,626.20/551,473.38 = 143,003.75/x
  3. Step 3: Cross multiply
    367,626.20x = 551,473.38 × 143,003.75
  4. Step 4: Simplify right side
    367,626.20x = 78,862,758,607.81
  5. Step 5: Solve for x
    x = 78,862,758,607.81/367,626.20
  6. Step 6: Final answer
    x = 214,518.88

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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.