Home / 168,044.11-231,897.95-91,563.83

Finding the Fourth Proportional to 168,044.11, 231,897.95 and 91,563.83

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Solution

The fourth proportional to 168,044.11, 231,897.95 and 91,563.83 is: 126,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,044.11 : 231,897.95 = 91,563.83 : x
  2. Step 2: Convert to fraction form
    168,044.11/231,897.95 = 91,563.83/x
  3. Step 3: Cross multiply
    168,044.11x = 231,897.95 × 91,563.83
  4. Step 4: Simplify right side
    168,044.11x = 21,233,464,066.82
  5. Step 5: Solve for x
    x = 21,233,464,066.82/168,044.11
  6. Step 6: Final answer
    x = 126,356.49

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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.