Home / 165,270.29-228,072.38-93,663.86

Finding the Fourth Proportional to 165,270.29, 228,072.38 and 93,663.86

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Solution

The fourth proportional to 165,270.29, 228,072.38 and 93,663.86 is: 129,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,270.29 : 228,072.38 = 93,663.86 : x
  2. Step 2: Convert to fraction form
    165,270.29/228,072.38 = 93,663.86/x
  3. Step 3: Cross multiply
    165,270.29x = 228,072.38 × 93,663.86
  4. Step 4: Simplify right side
    165,270.29x = 21,362,137,861.51
  5. Step 5: Solve for x
    x = 21,362,137,861.51/165,270.29
  6. Step 6: Final answer
    x = 129,255.77

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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.