Home / 189,997.60-284,996.17-76,196.75

Finding the Fourth Proportional to 189,997.60, 284,996.17 and 76,196.75

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Solution

The fourth proportional to 189,997.60, 284,996.17 and 76,196.75 is: 114,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,997.60 : 284,996.17 = 76,196.75 : x
  2. Step 2: Convert to fraction form
    189,997.60/284,996.17 = 76,196.75/x
  3. Step 3: Cross multiply
    189,997.60x = 284,996.17 × 76,196.75
  4. Step 4: Simplify right side
    189,997.60x = 21,715,782,189.82
  5. Step 5: Solve for x
    x = 21,715,782,189.82/189,997.60
  6. Step 6: Final answer
    x = 114,295.03

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1.5x scale

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.