Home / 168,131.85-232,018.79-91,651.65

Finding the Fourth Proportional to 168,131.85, 232,018.79 and 91,651.65

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Solution

The fourth proportional to 168,131.85, 232,018.79 and 91,651.65 is: 126,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,131.85 : 232,018.79 = 91,651.65 : x
  2. Step 2: Convert to fraction form
    168,131.85/232,018.79 = 91,651.65/x
  3. Step 3: Cross multiply
    168,131.85x = 232,018.79 × 91,651.65
  4. Step 4: Simplify right side
    168,131.85x = 21,264,904,476.25
  5. Step 5: Solve for x
    x = 21,264,904,476.25/168,131.85
  6. Step 6: Final answer
    x = 126,477.55

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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.