Home / 203,976.42-281,487.77-113,332.47

Finding the Fourth Proportional to 203,976.42, 281,487.77 and 113,332.47

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Solution

The fourth proportional to 203,976.42, 281,487.77 and 113,332.47 is: 156,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,976.42 : 281,487.77 = 113,332.47 : x
  2. Step 2: Convert to fraction form
    203,976.42/281,487.77 = 113,332.47/x
  3. Step 3: Cross multiply
    203,976.42x = 281,487.77 × 113,332.47
  4. Step 4: Simplify right side
    203,976.42x = 31,901,704,248.89
  5. Step 5: Solve for x
    x = 31,901,704,248.89/203,976.42
  6. Step 6: Final answer
    x = 156,398.98

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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.