Home / 262,904.40-394,494.30-120,792.60

Finding the Fourth Proportional to 262,904.40, 394,494.30 and 120,792.60

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Solution

The fourth proportional to 262,904.40, 394,494.30 and 120,792.60 is: 181,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,904.40 : 394,494.30 = 120,792.60 : x
  2. Step 2: Convert to fraction form
    262,904.40/394,494.30 = 120,792.60/x
  3. Step 3: Cross multiply
    262,904.40x = 394,494.30 × 120,792.60
  4. Step 4: Simplify right side
    262,904.40x = 47,651,992,182.18
  5. Step 5: Solve for x
    x = 47,651,992,182.18/262,904.40
  6. Step 6: Final answer
    x = 181,252.17

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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.