Home / 165,645.87-228,531.26-93,984.38

Finding the Fourth Proportional to 165,645.87, 228,531.26 and 93,984.38

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Solution

The fourth proportional to 165,645.87, 228,531.26 and 93,984.38 is: 129,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,645.87 : 228,531.26 = 93,984.38 : x
  2. Step 2: Convert to fraction form
    165,645.87/228,531.26 = 93,984.38/x
  3. Step 3: Cross multiply
    165,645.87x = 228,531.26 × 93,984.38
  4. Step 4: Simplify right side
    165,645.87x = 21,478,369,588.01
  5. Step 5: Solve for x
    x = 21,478,369,588.01/165,645.87
  6. Step 6: Final answer
    x = 129,664.38

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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.