Home / 252,782.12-348,839.88-139,604.96

Finding the Fourth Proportional to 252,782.12, 348,839.88 and 139,604.96

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Solution

The fourth proportional to 252,782.12, 348,839.88 and 139,604.96 is: 192,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,782.12 : 348,839.88 = 139,604.96 : x
  2. Step 2: Convert to fraction form
    252,782.12/348,839.88 = 139,604.96/x
  3. Step 3: Cross multiply
    252,782.12x = 348,839.88 × 139,604.96
  4. Step 4: Simplify right side
    252,782.12x = 48,699,777,493.80
  5. Step 5: Solve for x
    x = 48,699,777,493.80/252,782.12
  6. Step 6: Final answer
    x = 192,655.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.