Home / 131,424.57-197,023.14-111,563.82

Finding the Fourth Proportional to 131,424.57, 197,023.14 and 111,563.82

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Solution

The fourth proportional to 131,424.57, 197,023.14 and 111,563.82 is: 167,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,424.57 : 197,023.14 = 111,563.82 : x
  2. Step 2: Convert to fraction form
    131,424.57/197,023.14 = 111,563.82/x
  3. Step 3: Cross multiply
    131,424.57x = 197,023.14 × 111,563.82
  4. Step 4: Simplify right side
    131,424.57x = 21,980,654,126.79
  5. Step 5: Solve for x
    x = 21,980,654,126.79/131,424.57
  6. Step 6: Final answer
    x = 167,249.20

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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.