Home / 168,085.92-231,952.68-91,603.44

Finding the Fourth Proportional to 168,085.92, 231,952.68 and 91,603.44

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Solution

The fourth proportional to 168,085.92, 231,952.68 and 91,603.44 is: 126,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,085.92 : 231,952.68 = 91,603.44 : x
  2. Step 2: Convert to fraction form
    168,085.92/231,952.68 = 91,603.44/x
  3. Step 3: Cross multiply
    168,085.92x = 231,952.68 × 91,603.44
  4. Step 4: Simplify right side
    168,085.92x = 21,247,663,405.22
  5. Step 5: Solve for x
    x = 21,247,663,405.22/168,085.92
  6. Step 6: Final answer
    x = 126,409.54

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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.