Home / 168,131.48-232,018.27-91,651.28

Finding the Fourth Proportional to 168,131.48, 232,018.27 and 91,651.28

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Solution

The fourth proportional to 168,131.48, 232,018.27 and 91,651.28 is: 126,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,131.48 : 232,018.27 = 91,651.28 : x
  2. Step 2: Convert to fraction form
    168,131.48/232,018.27 = 91,651.28/x
  3. Step 3: Cross multiply
    168,131.48x = 232,018.27 × 91,651.28
  4. Step 4: Simplify right side
    168,131.48x = 21,264,770,039.67
  5. Step 5: Solve for x
    x = 21,264,770,039.67/168,131.48
  6. Step 6: Final answer
    x = 126,477.03

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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.