Home / 191,299.83-263,995.97-109,626.47

Finding the Fourth Proportional to 191,299.83, 263,995.97 and 109,626.47

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Solution

The fourth proportional to 191,299.83, 263,995.97 and 109,626.47 is: 151,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,299.83 : 263,995.97 = 109,626.47 : x
  2. Step 2: Convert to fraction form
    191,299.83/263,995.97 = 109,626.47/x
  3. Step 3: Cross multiply
    191,299.83x = 263,995.97 × 109,626.47
  4. Step 4: Simplify right side
    191,299.83x = 28,940,946,285.33
  5. Step 5: Solve for x
    x = 28,940,946,285.33/191,299.83
  6. Step 6: Final answer
    x = 151,285.79

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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.