Home / 367,412.26-551,153.25-142,790.05

Finding the Fourth Proportional to 367,412.26, 551,153.25 and 142,790.05

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Solution

The fourth proportional to 367,412.26, 551,153.25 and 142,790.05 is: 214,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,412.26 : 551,153.25 = 142,790.05 : x
  2. Step 2: Convert to fraction form
    367,412.26/551,153.25 = 142,790.05/x
  3. Step 3: Cross multiply
    367,412.26x = 551,153.25 × 142,790.05
  4. Step 4: Simplify right side
    367,412.26x = 78,699,200,125.16
  5. Step 5: Solve for x
    x = 78,699,200,125.16/367,412.26
  6. Step 6: Final answer
    x = 214,198.62

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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.