Home / 110,573.27-165,616.79-91,380.38

Finding the Fourth Proportional to 110,573.27, 165,616.79 and 91,380.38

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Solution

The fourth proportional to 110,573.27, 165,616.79 and 91,380.38 is: 136,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,573.27 : 165,616.79 = 91,380.38 : x
  2. Step 2: Convert to fraction form
    110,573.27/165,616.79 = 91,380.38/x
  3. Step 3: Cross multiply
    110,573.27x = 165,616.79 × 91,380.38
  4. Step 4: Simplify right side
    110,573.27x = 15,134,125,504.40
  5. Step 5: Solve for x
    x = 15,134,125,504.40/110,573.27
  6. Step 6: Final answer
    x = 136,869.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.