Home / 165,564.42-228,483.79-117,252.78

Finding the Fourth Proportional to 165,564.42, 228,483.79 and 117,252.78

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Solution

The fourth proportional to 165,564.42, 228,483.79 and 117,252.78 is: 161,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,564.42 : 228,483.79 = 117,252.78 : x
  2. Step 2: Convert to fraction form
    165,564.42/228,483.79 = 117,252.78/x
  3. Step 3: Cross multiply
    165,564.42x = 228,483.79 × 117,252.78
  4. Step 4: Simplify right side
    165,564.42x = 26,790,359,335.06
  5. Step 5: Solve for x
    x = 26,790,359,335.06/165,564.42
  6. Step 6: Final answer
    x = 161,812.30

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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.