Home / 367,932.55-551,792.19-143,242.89

Finding the Fourth Proportional to 367,932.55, 551,792.19 and 143,242.89

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Solution

The fourth proportional to 367,932.55, 551,792.19 and 143,242.89 is: 214,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,932.55 : 551,792.19 = 143,242.89 : x
  2. Step 2: Convert to fraction form
    367,932.55/551,792.19 = 143,242.89/x
  3. Step 3: Cross multiply
    367,932.55x = 551,792.19 × 143,242.89
  4. Step 4: Simplify right side
    367,932.55x = 79,040,307,975.03
  5. Step 5: Solve for x
    x = 79,040,307,975.03/367,932.55
  6. Step 6: Final answer
    x = 214,822.82

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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.