Home / 165,638.43-248,144.18-97,967.79

Finding the Fourth Proportional to 165,638.43, 248,144.18 and 97,967.79

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Solution

The fourth proportional to 165,638.43, 248,144.18 and 97,967.79 is: 146,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,638.43 : 248,144.18 = 97,967.79 : x
  2. Step 2: Convert to fraction form
    165,638.43/248,144.18 = 97,967.79/x
  3. Step 3: Cross multiply
    165,638.43x = 248,144.18 × 97,967.79
  4. Step 4: Simplify right side
    165,638.43x = 24,310,136,426.12
  5. Step 5: Solve for x
    x = 24,310,136,426.12/165,638.43
  6. Step 6: Final answer
    x = 146,766.28

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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.