Home / 165,723.80-228,700.38-94,105.31

Finding the Fourth Proportional to 165,723.80, 228,700.38 and 94,105.31

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Solution

The fourth proportional to 165,723.80, 228,700.38 and 94,105.31 is: 129,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,723.80 : 228,700.38 = 94,105.31 : x
  2. Step 2: Convert to fraction form
    165,723.80/228,700.38 = 94,105.31/x
  3. Step 3: Cross multiply
    165,723.80x = 228,700.38 × 94,105.31
  4. Step 4: Simplify right side
    165,723.80x = 21,521,919,013.52
  5. Step 5: Solve for x
    x = 21,521,919,013.52/165,723.80
  6. Step 6: Final answer
    x = 129,866.20

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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.