Home / 163,638.14-225,819.20-92,016.63

Finding the Fourth Proportional to 163,638.14, 225,819.20 and 92,016.63

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Solution

The fourth proportional to 163,638.14, 225,819.20 and 92,016.63 is: 126,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,638.14 : 225,819.20 = 92,016.63 : x
  2. Step 2: Convert to fraction form
    163,638.14/225,819.20 = 92,016.63/x
  3. Step 3: Cross multiply
    163,638.14x = 225,819.20 × 92,016.63
  4. Step 4: Simplify right side
    163,638.14x = 20,779,121,313.21
  5. Step 5: Solve for x
    x = 20,779,121,313.21/163,638.14
  6. Step 6: Final answer
    x = 126,982.14

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1.5x scale

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.