Home / 165,325.20-228,132.78-92,730.96

Finding the Fourth Proportional to 165,325.20, 228,132.78 and 92,730.96

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Solution

The fourth proportional to 165,325.20, 228,132.78 and 92,730.96 is: 127,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,325.20 : 228,132.78 = 92,730.96 : x
  2. Step 2: Convert to fraction form
    165,325.20/228,132.78 = 92,730.96/x
  3. Step 3: Cross multiply
    165,325.20x = 228,132.78 × 92,730.96
  4. Step 4: Simplify right side
    165,325.20x = 21,154,971,696.87
  5. Step 5: Solve for x
    x = 21,154,971,696.87/165,325.20
  6. Step 6: Final answer
    x = 127,959.75

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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.