Home / 543,204.41-814,622.09-188,135.45

Finding the Fourth Proportional to 543,204.41, 814,622.09 and 188,135.45

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Solution

The fourth proportional to 543,204.41, 814,622.09 and 188,135.45 is: 282,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,204.41 : 814,622.09 = 188,135.45 : x
  2. Step 2: Convert to fraction form
    543,204.41/814,622.09 = 188,135.45/x
  3. Step 3: Cross multiply
    543,204.41x = 814,622.09 × 188,135.45
  4. Step 4: Simplify right side
    543,204.41x = 153,259,288,468.30
  5. Step 5: Solve for x
    x = 153,259,288,468.30/543,204.41
  6. Step 6: Final answer
    x = 282,139.26

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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.