Home / 168,042.60-231,890.04-104,379.12

Finding the Fourth Proportional to 168,042.60, 231,890.04 and 104,379.12

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Solution

The fourth proportional to 168,042.60, 231,890.04 and 104,379.12 is: 144,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,042.60 : 231,890.04 = 104,379.12 : x
  2. Step 2: Convert to fraction form
    168,042.60/231,890.04 = 104,379.12/x
  3. Step 3: Cross multiply
    168,042.60x = 231,890.04 × 104,379.12
  4. Step 4: Simplify right side
    168,042.60x = 24,204,478,311.96
  5. Step 5: Solve for x
    x = 24,204,478,311.96/168,042.60
  6. Step 6: Final answer
    x = 144,037.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.