Home / 191,581.20-264,371.64-105,523.41

Finding the Fourth Proportional to 191,581.20, 264,371.64 and 105,523.41

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Solution

The fourth proportional to 191,581.20, 264,371.64 and 105,523.41 is: 145,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,581.20 : 264,371.64 = 105,523.41 : x
  2. Step 2: Convert to fraction form
    191,581.20/264,371.64 = 105,523.41/x
  3. Step 3: Cross multiply
    191,581.20x = 264,371.64 × 105,523.41
  4. Step 4: Simplify right side
    191,581.20x = 27,897,396,960.09
  5. Step 5: Solve for x
    x = 27,897,396,960.09/191,581.20
  6. Step 6: Final answer
    x = 145,616.57

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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.