Home / 203,034.24-280,194.72-111,159.96

Finding the Fourth Proportional to 203,034.24, 280,194.72 and 111,159.96

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Solution

The fourth proportional to 203,034.24, 280,194.72 and 111,159.96 is: 153,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,034.24 : 280,194.72 = 111,159.96 : x
  2. Step 2: Convert to fraction form
    203,034.24/280,194.72 = 111,159.96/x
  3. Step 3: Cross multiply
    203,034.24x = 280,194.72 × 111,159.96
  4. Step 4: Simplify right side
    203,034.24x = 31,146,433,867.41
  5. Step 5: Solve for x
    x = 31,146,433,867.41/203,034.24
  6. Step 6: Final answer
    x = 153,404.83

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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.