Home / 168,817.05-253,151.72-80,095.86

Finding the Fourth Proportional to 168,817.05, 253,151.72 and 80,095.86

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Solution

The fourth proportional to 168,817.05, 253,151.72 and 80,095.86 is: 120,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,817.05 : 253,151.72 = 80,095.86 : x
  2. Step 2: Convert to fraction form
    168,817.05/253,151.72 = 80,095.86/x
  3. Step 3: Cross multiply
    168,817.05x = 253,151.72 × 80,095.86
  4. Step 4: Simplify right side
    168,817.05x = 20,276,403,057.64
  5. Step 5: Solve for x
    x = 20,276,403,057.64/168,817.05
  6. Step 6: Final answer
    x = 120,108.74

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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.