Home / 165,268.76-228,072.65-89,817.26

Finding the Fourth Proportional to 165,268.76, 228,072.65 and 89,817.26

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Solution

The fourth proportional to 165,268.76, 228,072.65 and 89,817.26 is: 123,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,268.76 : 228,072.65 = 89,817.26 : x
  2. Step 2: Convert to fraction form
    165,268.76/228,072.65 = 89,817.26/x
  3. Step 3: Cross multiply
    165,268.76x = 228,072.65 × 89,817.26
  4. Step 4: Simplify right side
    165,268.76x = 20,484,858,914.49
  5. Step 5: Solve for x
    x = 20,484,858,914.49/165,268.76
  6. Step 6: Final answer
    x = 123,948.77

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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.