Home / 190,049.10-285,037.20-56,933.70

Finding the Fourth Proportional to 190,049.10, 285,037.20 and 56,933.70

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Solution

The fourth proportional to 190,049.10, 285,037.20 and 56,933.70 is: 85,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,049.10 : 285,037.20 = 56,933.70 : x
  2. Step 2: Convert to fraction form
    190,049.10/285,037.20 = 56,933.70/x
  3. Step 3: Cross multiply
    190,049.10x = 285,037.20 × 56,933.70
  4. Step 4: Simplify right side
    190,049.10x = 16,228,222,433.64
  5. Step 5: Solve for x
    x = 16,228,222,433.64/190,049.10
  6. Step 6: Final answer
    x = 85,389.63

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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.