Home / 142,517.48-213,825.66-53,796.52

Finding the Fourth Proportional to 142,517.48, 213,825.66 and 53,796.52

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Solution

The fourth proportional to 142,517.48, 213,825.66 and 53,796.52 is: 80,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,517.48 : 213,825.66 = 53,796.52 : x
  2. Step 2: Convert to fraction form
    142,517.48/213,825.66 = 53,796.52/x
  3. Step 3: Cross multiply
    142,517.48x = 213,825.66 × 53,796.52
  4. Step 4: Simplify right side
    142,517.48x = 11,503,076,394.70
  5. Step 5: Solve for x
    x = 11,503,076,394.70/142,517.48
  6. Step 6: Final answer
    x = 80,713.44

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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.