Home / 167,410.11-231,027.66-90,929.94

Finding the Fourth Proportional to 167,410.11, 231,027.66 and 90,929.94

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Solution

The fourth proportional to 167,410.11, 231,027.66 and 90,929.94 is: 125,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,410.11 : 231,027.66 = 90,929.94 : x
  2. Step 2: Convert to fraction form
    167,410.11/231,027.66 = 90,929.94/x
  3. Step 3: Cross multiply
    167,410.11x = 231,027.66 × 90,929.94
  4. Step 4: Simplify right side
    167,410.11x = 21,007,331,262.14
  5. Step 5: Solve for x
    x = 21,007,331,262.14/167,410.11
  6. Step 6: Final answer
    x = 125,484.25

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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.