Home / 168,085.66-231,952.33-91,603.21

Finding the Fourth Proportional to 168,085.66, 231,952.33 and 91,603.21

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Solution

The fourth proportional to 168,085.66, 231,952.33 and 91,603.21 is: 126,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,085.66 : 231,952.33 = 91,603.21 : x
  2. Step 2: Convert to fraction form
    168,085.66/231,952.33 = 91,603.21/x
  3. Step 3: Cross multiply
    168,085.66x = 231,952.33 × 91,603.21
  4. Step 4: Simplify right side
    168,085.66x = 21,247,576,377.20
  5. Step 5: Solve for x
    x = 21,247,576,377.20/168,085.66
  6. Step 6: Final answer
    x = 126,409.22

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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.