Home / 165,733.65-228,712.37-90,282.15

Finding the Fourth Proportional to 165,733.65, 228,712.37 and 90,282.15

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Solution

The fourth proportional to 165,733.65, 228,712.37 and 90,282.15 is: 124,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,733.65 : 228,712.37 = 90,282.15 : x
  2. Step 2: Convert to fraction form
    165,733.65/228,712.37 = 90,282.15/x
  3. Step 3: Cross multiply
    165,733.65x = 228,712.37 × 90,282.15
  4. Step 4: Simplify right side
    165,733.65x = 20,648,644,043.78
  5. Step 5: Solve for x
    x = 20,648,644,043.78/165,733.65
  6. Step 6: Final answer
    x = 124,589.33

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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.