Home / 191,402.55-264,132.92-106,519.61

Finding the Fourth Proportional to 191,402.55, 264,132.92 and 106,519.61

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Solution

The fourth proportional to 191,402.55, 264,132.92 and 106,519.61 is: 146,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,402.55 : 264,132.92 = 106,519.61 : x
  2. Step 2: Convert to fraction form
    191,402.55/264,132.92 = 106,519.61/x
  3. Step 3: Cross multiply
    191,402.55x = 264,132.92 × 106,519.61
  4. Step 4: Simplify right side
    191,402.55x = 28,135,336,553.19
  5. Step 5: Solve for x
    x = 28,135,336,553.19/191,402.55
  6. Step 6: Final answer
    x = 146,995.62

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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.