Home / 231,786.66-319,810.77-131,184.66

Finding the Fourth Proportional to 231,786.66, 319,810.77 and 131,184.66

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Solution

The fourth proportional to 231,786.66, 319,810.77 and 131,184.66 is: 181,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,786.66 : 319,810.77 = 131,184.66 : x
  2. Step 2: Convert to fraction form
    231,786.66/319,810.77 = 131,184.66/x
  3. Step 3: Cross multiply
    231,786.66x = 319,810.77 × 131,184.66
  4. Step 4: Simplify right side
    231,786.66x = 41,954,267,126.79
  5. Step 5: Solve for x
    x = 41,954,267,126.79/231,786.66
  6. Step 6: Final answer
    x = 181,003.80

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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.