Home / 191,481.56-264,242.33-105,438.76

Finding the Fourth Proportional to 191,481.56, 264,242.33 and 105,438.76

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Solution

The fourth proportional to 191,481.56, 264,242.33 and 105,438.76 is: 145,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,481.56 : 264,242.33 = 105,438.76 : x
  2. Step 2: Convert to fraction form
    191,481.56/264,242.33 = 105,438.76/x
  3. Step 3: Cross multiply
    191,481.56x = 264,242.33 × 105,438.76
  4. Step 4: Simplify right side
    191,481.56x = 27,861,383,614.71
  5. Step 5: Solve for x
    x = 27,861,383,614.71/191,481.56
  6. Step 6: Final answer
    x = 145,504.26

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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.