Home / 203,517.24-280,871.52-118,632.48

Finding the Fourth Proportional to 203,517.24, 280,871.52 and 118,632.48

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Solution

The fourth proportional to 203,517.24, 280,871.52 and 118,632.48 is: 163,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,517.24 : 280,871.52 = 118,632.48 : x
  2. Step 2: Convert to fraction form
    203,517.24/280,871.52 = 118,632.48/x
  3. Step 3: Cross multiply
    203,517.24x = 280,871.52 × 118,632.48
  4. Step 4: Simplify right side
    203,517.24x = 33,320,484,978.97
  5. Step 5: Solve for x
    x = 33,320,484,978.97/203,517.24
  6. Step 6: Final answer
    x = 163,723.16

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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.