Home / 168,049.77-231,905.70-91,569.39

Finding the Fourth Proportional to 168,049.77, 231,905.70 and 91,569.39

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Solution

The fourth proportional to 168,049.77, 231,905.70 and 91,569.39 is: 126,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,049.77 : 231,905.70 = 91,569.39 : x
  2. Step 2: Convert to fraction form
    168,049.77/231,905.70 = 91,569.39/x
  3. Step 3: Cross multiply
    168,049.77x = 231,905.70 × 91,569.39
  4. Step 4: Simplify right side
    168,049.77x = 21,235,463,486.52
  5. Step 5: Solve for x
    x = 21,235,463,486.52/168,049.77
  6. Step 6: Final answer
    x = 126,364.13

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1.5x scale

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.