Home / 162,433.10-243,613.20-106,664.60

Finding the Fourth Proportional to 162,433.10, 243,613.20 and 106,664.60

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Solution

The fourth proportional to 162,433.10, 243,613.20 and 106,664.60 is: 159,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,433.10 : 243,613.20 = 106,664.60 : x
  2. Step 2: Convert to fraction form
    162,433.10/243,613.20 = 106,664.60/x
  3. Step 3: Cross multiply
    162,433.10x = 243,613.20 × 106,664.60
  4. Step 4: Simplify right side
    162,433.10x = 25,984,904,532.72
  5. Step 5: Solve for x
    x = 25,984,904,532.72/162,433.10
  6. Step 6: Final answer
    x = 159,972.96

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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.