Home / 189,366.26-261,333.76-108,819.04

Finding the Fourth Proportional to 189,366.26, 261,333.76 and 108,819.04

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Solution

The fourth proportional to 189,366.26, 261,333.76 and 108,819.04 is: 150,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,366.26 : 261,333.76 = 108,819.04 : x
  2. Step 2: Convert to fraction form
    189,366.26/261,333.76 = 108,819.04/x
  3. Step 3: Cross multiply
    189,366.26x = 261,333.76 × 108,819.04
  4. Step 4: Simplify right side
    189,366.26x = 28,438,088,882.79
  5. Step 5: Solve for x
    x = 28,438,088,882.79/189,366.26
  6. Step 6: Final answer
    x = 150,175.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.