Home / 165,387.71-228,137.61-104,036.12

Finding the Fourth Proportional to 165,387.71, 228,137.61 and 104,036.12

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Solution

The fourth proportional to 165,387.71, 228,137.61 and 104,036.12 is: 143,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,387.71 : 228,137.61 = 104,036.12 : x
  2. Step 2: Convert to fraction form
    165,387.71/228,137.61 = 104,036.12/x
  3. Step 3: Cross multiply
    165,387.71x = 228,137.61 × 104,036.12
  4. Step 4: Simplify right side
    165,387.71x = 23,734,551,770.47
  5. Step 5: Solve for x
    x = 23,734,551,770.47/165,387.71
  6. Step 6: Final answer
    x = 143,508.56

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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.