Home / 189,476.42-261,468.26-107,796.98

Finding the Fourth Proportional to 189,476.42, 261,468.26 and 107,796.98

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Solution

The fourth proportional to 189,476.42, 261,468.26 and 107,796.98 is: 148,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,476.42 : 261,468.26 = 107,796.98 : x
  2. Step 2: Convert to fraction form
    189,476.42/261,468.26 = 107,796.98/x
  3. Step 3: Cross multiply
    189,476.42x = 261,468.26 × 107,796.98
  4. Step 4: Simplify right side
    189,476.42x = 28,185,488,793.85
  5. Step 5: Solve for x
    x = 28,185,488,793.85/189,476.42
  6. Step 6: Final answer
    x = 148,754.60

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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.