Home / 367,309.38-551,074.79-130,621.31

Finding the Fourth Proportional to 367,309.38, 551,074.79 and 130,621.31

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Solution

The fourth proportional to 367,309.38, 551,074.79 and 130,621.31 is: 195,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,309.38 : 551,074.79 = 130,621.31 : x
  2. Step 2: Convert to fraction form
    367,309.38/551,074.79 = 130,621.31/x
  3. Step 3: Cross multiply
    367,309.38x = 551,074.79 × 130,621.31
  4. Step 4: Simplify right side
    367,309.38x = 71,982,110,615.48
  5. Step 5: Solve for x
    x = 71,982,110,615.48/367,309.38
  6. Step 6: Final answer
    x = 195,971.34

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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.