Home / 162,489.82-243,636.30-106,262.04

Finding the Fourth Proportional to 162,489.82, 243,636.30 and 106,262.04

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Solution

The fourth proportional to 162,489.82, 243,636.30 and 106,262.04 is: 159,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,489.82 : 243,636.30 = 106,262.04 : x
  2. Step 2: Convert to fraction form
    162,489.82/243,636.30 = 106,262.04/x
  3. Step 3: Cross multiply
    162,489.82x = 243,636.30 × 106,262.04
  4. Step 4: Simplify right side
    162,489.82x = 25,889,290,256.05
  5. Step 5: Solve for x
    x = 25,889,290,256.05/162,489.82
  6. Step 6: Final answer
    x = 159,328.69

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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.