Home / 189,669.96-284,519.46-56,540.04

Finding the Fourth Proportional to 189,669.96, 284,519.46 and 56,540.04

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Solution

The fourth proportional to 189,669.96, 284,519.46 and 56,540.04 is: 84,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,669.96 : 284,519.46 = 56,540.04 : x
  2. Step 2: Convert to fraction form
    189,669.96/284,519.46 = 56,540.04/x
  3. Step 3: Cross multiply
    189,669.96x = 284,519.46 × 56,540.04
  4. Step 4: Simplify right side
    189,669.96x = 16,086,741,649.18
  5. Step 5: Solve for x
    x = 16,086,741,649.18/189,669.96
  6. Step 6: Final answer
    x = 84,814.39

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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.