Home / 203,032.26-280,185.16-109,897.98

Finding the Fourth Proportional to 203,032.26, 280,185.16 and 109,897.98

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Solution

The fourth proportional to 203,032.26, 280,185.16 and 109,897.98 is: 151,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,032.26 : 280,185.16 = 109,897.98 : x
  2. Step 2: Convert to fraction form
    203,032.26/280,185.16 = 109,897.98/x
  3. Step 3: Cross multiply
    203,032.26x = 280,185.16 × 109,897.98
  4. Step 4: Simplify right side
    203,032.26x = 30,791,783,109.98
  5. Step 5: Solve for x
    x = 30,791,783,109.98/203,032.26
  6. Step 6: Final answer
    x = 151,659.56

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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.