Home / 163,636.30-225,819.50-92,015.70

Finding the Fourth Proportional to 163,636.30, 225,819.50 and 92,015.70

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Solution

The fourth proportional to 163,636.30, 225,819.50 and 92,015.70 is: 126,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,636.30 : 225,819.50 = 92,015.70 : x
  2. Step 2: Convert to fraction form
    163,636.30/225,819.50 = 92,015.70/x
  3. Step 3: Cross multiply
    163,636.30x = 225,819.50 × 92,015.70
  4. Step 4: Simplify right side
    163,636.30x = 20,778,938,059.25
  5. Step 5: Solve for x
    x = 20,778,938,059.25/163,636.30
  6. Step 6: Final answer
    x = 126,982.45

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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.