Home / 367,516.20-551,164.74-142,911.48

Finding the Fourth Proportional to 367,516.20, 551,164.74 and 142,911.48

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Solution

The fourth proportional to 367,516.20, 551,164.74 and 142,911.48 is: 214,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,516.20 : 551,164.74 = 142,911.48 : x
  2. Step 2: Convert to fraction form
    367,516.20/551,164.74 = 142,911.48/x
  3. Step 3: Cross multiply
    367,516.20x = 551,164.74 × 142,911.48
  4. Step 4: Simplify right side
    367,516.20x = 78,767,768,717.22
  5. Step 5: Solve for x
    x = 78,767,768,717.22/367,516.20
  6. Step 6: Final answer
    x = 214,324.62

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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.