Home / 256,519.44-354,046.68-149,111.28

Finding the Fourth Proportional to 256,519.44, 354,046.68 and 149,111.28

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Solution

The fourth proportional to 256,519.44, 354,046.68 and 149,111.28 is: 205,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,519.44 : 354,046.68 = 149,111.28 : x
  2. Step 2: Convert to fraction form
    256,519.44/354,046.68 = 149,111.28/x
  3. Step 3: Cross multiply
    256,519.44x = 354,046.68 × 149,111.28
  4. Step 4: Simplify right side
    256,519.44x = 52,792,353,634.55
  5. Step 5: Solve for x
    x = 52,792,353,634.55/256,519.44
  6. Step 6: Final answer
    x = 205,802.55

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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.