Home / 367,932.80-551,792.57-143,243.15

Finding the Fourth Proportional to 367,932.80, 551,792.57 and 143,243.15

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Solution

The fourth proportional to 367,932.80, 551,792.57 and 143,243.15 is: 214,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,932.80 : 551,792.57 = 143,243.15 : x
  2. Step 2: Convert to fraction form
    367,932.80/551,792.57 = 143,243.15/x
  3. Step 3: Cross multiply
    367,932.80x = 551,792.57 × 143,243.15
  4. Step 4: Simplify right side
    367,932.80x = 79,040,502,398.22
  5. Step 5: Solve for x
    x = 79,040,502,398.22/367,932.80
  6. Step 6: Final answer
    x = 214,823.21

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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.