Home / 115,466.20-173,199.30-92,138.20

Finding the Fourth Proportional to 115,466.20, 173,199.30 and 92,138.20

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Solution

The fourth proportional to 115,466.20, 173,199.30 and 92,138.20 is: 138,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,466.20 : 173,199.30 = 92,138.20 : x
  2. Step 2: Convert to fraction form
    115,466.20/173,199.30 = 92,138.20/x
  3. Step 3: Cross multiply
    115,466.20x = 173,199.30 × 92,138.20
  4. Step 4: Simplify right side
    115,466.20x = 15,958,271,743.26
  5. Step 5: Solve for x
    x = 15,958,271,743.26/115,466.20
  6. Step 6: Final answer
    x = 138,207.30

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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.