Home / 262,932.40-394,536.30-120,820.60

Finding the Fourth Proportional to 262,932.40, 394,536.30 and 120,820.60

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Solution

The fourth proportional to 262,932.40, 394,536.30 and 120,820.60 is: 181,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,932.40 : 394,536.30 = 120,820.60 : x
  2. Step 2: Convert to fraction form
    262,932.40/394,536.30 = 120,820.60/x
  3. Step 3: Cross multiply
    262,932.40x = 394,536.30 × 120,820.60
  4. Step 4: Simplify right side
    262,932.40x = 47,668,112,487.78
  5. Step 5: Solve for x
    x = 47,668,112,487.78/262,932.40
  6. Step 6: Final answer
    x = 181,294.17

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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.