Home / 189,523.11-284,152.99-71,162.67

Finding the Fourth Proportional to 189,523.11, 284,152.99 and 71,162.67

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Solution

The fourth proportional to 189,523.11, 284,152.99 and 71,162.67 is: 106,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,523.11 : 284,152.99 = 71,162.67 : x
  2. Step 2: Convert to fraction form
    189,523.11/284,152.99 = 71,162.67/x
  3. Step 3: Cross multiply
    189,523.11x = 284,152.99 × 71,162.67
  4. Step 4: Simplify right side
    189,523.11x = 20,221,085,456.88
  5. Step 5: Solve for x
    x = 20,221,085,456.88/189,523.11
  6. Step 6: Final answer
    x = 106,694.56

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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.