Home / 189,851.18-284,833.94-56,735.78

Finding the Fourth Proportional to 189,851.18, 284,833.94 and 56,735.78

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Solution

The fourth proportional to 189,851.18, 284,833.94 and 56,735.78 is: 85,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,851.18 : 284,833.94 = 56,735.78 : x
  2. Step 2: Convert to fraction form
    189,851.18/284,833.94 = 56,735.78/x
  3. Step 3: Cross multiply
    189,851.18x = 284,833.94 × 56,735.78
  4. Step 4: Simplify right side
    189,851.18x = 16,160,274,048.52
  5. Step 5: Solve for x
    x = 16,160,274,048.52/189,851.18
  6. Step 6: Final answer
    x = 85,120.75

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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.