Home / 106,731.48-160,097.22-40,186.54

Finding the Fourth Proportional to 106,731.48, 160,097.22 and 40,186.54

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Solution

The fourth proportional to 106,731.48, 160,097.22 and 40,186.54 is: 60,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,731.48 : 160,097.22 = 40,186.54 : x
  2. Step 2: Convert to fraction form
    106,731.48/160,097.22 = 40,186.54/x
  3. Step 3: Cross multiply
    106,731.48x = 160,097.22 × 40,186.54
  4. Step 4: Simplify right side
    106,731.48x = 6,433,753,335.42
  5. Step 5: Solve for x
    x = 6,433,753,335.42/106,731.48
  6. Step 6: Final answer
    x = 60,279.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.