Home / 191,183.54-263,819.57-105,148.49

Finding the Fourth Proportional to 191,183.54, 263,819.57 and 105,148.49

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Solution

The fourth proportional to 191,183.54, 263,819.57 and 105,148.49 is: 145,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,183.54 : 263,819.57 = 105,148.49 : x
  2. Step 2: Convert to fraction form
    191,183.54/263,819.57 = 105,148.49/x
  3. Step 3: Cross multiply
    191,183.54x = 263,819.57 × 105,148.49
  4. Step 4: Simplify right side
    191,183.54x = 27,740,227,573.11
  5. Step 5: Solve for x
    x = 27,740,227,573.11/191,183.54
  6. Step 6: Final answer
    x = 145,097.37

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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.