Home / 367,142.38-550,613.32-100,839.58

Finding the Fourth Proportional to 367,142.38, 550,613.32 and 100,839.58

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Solution

The fourth proportional to 367,142.38, 550,613.32 and 100,839.58 is: 151,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,142.38 : 550,613.32 = 100,839.58 : x
  2. Step 2: Convert to fraction form
    367,142.38/550,613.32 = 100,839.58/x
  3. Step 3: Cross multiply
    367,142.38x = 550,613.32 × 100,839.58
  4. Step 4: Simplify right side
    367,142.38x = 55,523,615,931.21
  5. Step 5: Solve for x
    x = 55,523,615,931.21/367,142.38
  6. Step 6: Final answer
    x = 151,231.84

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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.