Home / 127,865.82-176,530.43-113,679.40

Finding the Fourth Proportional to 127,865.82, 176,530.43 and 113,679.40

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Solution

The fourth proportional to 127,865.82, 176,530.43 and 113,679.40 is: 156,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,865.82 : 176,530.43 = 113,679.40 : x
  2. Step 2: Convert to fraction form
    127,865.82/176,530.43 = 113,679.40/x
  3. Step 3: Cross multiply
    127,865.82x = 176,530.43 × 113,679.40
  4. Step 4: Simplify right side
    127,865.82x = 20,067,873,364.14
  5. Step 5: Solve for x
    x = 20,067,873,364.14/127,865.82
  6. Step 6: Final answer
    x = 156,944.78

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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.