Home / 154,168.83-231,278.20-47,527.85

Finding the Fourth Proportional to 154,168.83, 231,278.20 and 47,527.85

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Solution

The fourth proportional to 154,168.83, 231,278.20 and 47,527.85 is: 71,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,168.83 : 231,278.20 = 47,527.85 : x
  2. Step 2: Convert to fraction form
    154,168.83/231,278.20 = 47,527.85/x
  3. Step 3: Cross multiply
    154,168.83x = 231,278.20 × 47,527.85
  4. Step 4: Simplify right side
    154,168.83x = 10,992,156,057.25
  5. Step 5: Solve for x
    x = 10,992,156,057.25/154,168.83
  6. Step 6: Final answer
    x = 71,299.47

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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.