Home / 108,520.90-162,954.15-73,615.30

Finding the Fourth Proportional to 108,520.90, 162,954.15 and 73,615.30

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Solution

The fourth proportional to 108,520.90, 162,954.15 and 73,615.30 is: 110,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,520.90 : 162,954.15 = 73,615.30 : x
  2. Step 2: Convert to fraction form
    108,520.90/162,954.15 = 73,615.30/x
  3. Step 3: Cross multiply
    108,520.90x = 162,954.15 × 73,615.30
  4. Step 4: Simplify right side
    108,520.90x = 11,995,918,638.50
  5. Step 5: Solve for x
    x = 11,995,918,638.50/108,520.90
  6. Step 6: Final answer
    x = 110,540.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.