Home / 165,645.37-228,530.57-93,983.89

Finding the Fourth Proportional to 165,645.37, 228,530.57 and 93,983.89

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Solution

The fourth proportional to 165,645.37, 228,530.57 and 93,983.89 is: 129,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,645.37 : 228,530.57 = 93,983.89 : x
  2. Step 2: Convert to fraction form
    165,645.37/228,530.57 = 93,983.89/x
  3. Step 3: Cross multiply
    165,645.37x = 228,530.57 × 93,983.89
  4. Step 4: Simplify right side
    165,645.37x = 21,478,190,809.86
  5. Step 5: Solve for x
    x = 21,478,190,809.86/165,645.37
  6. Step 6: Final answer
    x = 129,663.70

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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.